Answer:
question 1 part a =
estimated number of dogs
=6.99 × 107
= 6.99 • 10,000,000
= 69,900,000
estimated number of cats
= 3.61 × 107
= 3.61 • 10,000,000
=36,100,000
estimated number of birds
= 8.3 × 106
= 8.3 • 1,000,000
= 8,300,000
part b = total population of pet dogs, cats, and birds
= 69,900,000 + 36,100,000 + 8,300,000
= 114,300,000
question 2 part a =
The estimated number of dogs is 6.99 x 10^7 .
The estimated number of cats is 3.61 x 10^7.
The estimated number of birds is 8.3 x 10^6.
The power of 10 in 8.3 x 10^6 is 6, which is less than the power of 10 in the other two numbers. To make the calculation simpler, convert this number so the exponents are all the same.
Multiply and divide 8.3 x 10^6 by 10 to increase its exponent by 1:
8.3 x 10^6 = 10/10 x 8.3 x 10^6
= 8.3/10 x 10^6 x 10
= 0.83 x 10^7
part b =
total number of pet dogs, cats, and birds
=
6.99 × 107 + 3.61 × 107 + 0.87 × 107
=
(6.99 + 3.61 + 0.83) • 107
=
11.43 • 107
part c =
No. The sum from part B is not in scientific notation.
The total number of pet dogs, cats, and birds is 11,43 x 10^7. To express the number in scientific notation, the decimal point must be moved one digit to the left. To do that, divide and multiply the number by 10:
10/10 x 11.43 x 10^7 = 11.43/10 x 10^7 x 10
= 1.143 x 10^8
Written in scientific notation, the total number of pet dogs, cats, and birds is 1.143 x 10^8.
question c = They are the same. If you convert the number in standard form from question 1 to scientific notation, it is the same as the number in scientific notation found in question 2.
Step-by-step explanation:
Your answer is in bold. Edmentum answers
The Scientific Notation
Dogs: 6.99 x [tex]10^8[/tex]
Cats: 3.61 x [tex]10^8[/tex]
Birds:0.083 x [tex]10^8[/tex]
What is Scientific Notation?Scientific notation is a method of displaying very large or very small numbers in a more simplified format. We know that entire numbers can be extended indefinitely, but such large numbers cannot be written on a piece of paper. Also, the numbers in the millions place after the decimal required to be represented in a simpler format. As a result, representing a few integers in their expanded form is challenging. As a result, we employ scientific notation.
Given:
We have to change the number in Scientific Notation in which only one significant number will be before the decimal and remaindering raise to power of 10.
First, Dogs: 69,900,000 whose Scientific Notation is
= 6.99 x [tex]10^8[/tex]
Second, Cats: 36,100,000 whose Scientific Notation is
= 3.61 x [tex]10^8[/tex]
Third, Birds: 8,300,000 whose Scientific Notation is
= 8.3 x [tex]10^6[/tex]
= 0.083 x [tex]10^8[/tex]
Learn more about Scientific Notation here:
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5. Write an equivalent expression to show the relationship of multiplication
and addition. .
6 m
Answer:
5d
Step-by-step explanation:
d + d + d + d + d
d × 5
5d
Please Help ASAP before midnight.
Write a unit rate for the situation.
$12.50 for 5 ounces
Also if you can, with your answer can you tell me how to find unit rate?
Answer:
$2.50 for 1 ounce
Step-by-step explanation:
I hope this helps
Answer:
The correct answer is $2.50.
Step-by-step explanation:
The unit rate is what we use to determine the price of a single unit, when something is sold in a group, as in this case 5 ounces.
We have been told that $ 12.50 is the price for 5 ounces, but what we want to know is how much 1 ounce costs.
To determine this, what we must do is divide the total price by the quantity of ounces, in order to determine the unit price:
12.50 / 5 = 2.50
In this way we can verify that the unit price of 5 ounces
someone plz help. it has a 5 minute timer i got 3 minutes left
Answer:i am hving some difficulty in using these symbols and showing u answer here really sry 4 tht frnd....
but u will answer by pythagoras theorem do each measurements with u will get ur ans fast
so if i can buy 4 basketballs for $44 at the same rate how much would 8 basket balls be?
Answer:
$88
Step-by-step explanation:
1 ball is $11 so 8 balls is 11x8= 88
will give branliest
how do i Translate a algebraic expression into verbal expression?
Answer:
I guess try to understand it first
Step-by-step explanation:
How to pronounce y = x^2 / 2^3 + 0.423x
Y is equal to x squared divided by two to the third power plus zero and 4 hundred twenty three thousandths times x
the radius or a circle is 25 meters what is the circumference
Answer:
157.08m
Step-by-step explanation:
here is how: C=2πr=2·π·25≈157.07963m
please help me on these. make sure they are correct <3
Answer:10
Step-by-step explanation:15/3 is 5 so 5 x 2 equals 10
Answer:
B. 10
Step-by-step explanation:
brainliest please. just tryna rank up
Deundre wants to conduct a survey at White Station Middle School, which has 1,200 students. He wants to learn how many days on average students eat the school lunch per week. He knows that it would be too time consuming to ask every single student to complete the survey, so he decided to take a sample (a subset of a population) of the entire school population and only ask 60 students. What is the sample in this example.
Answer:
The sample size is 60.
Step-by-step explanation:
He only asks 60 people so that is his sample, the other students (1200) is the population he is trying to make a judgement about.
SOMEONE PLEASE HELP IF I GET ONE QUESTION WRONG IM GONNA GET MY BUTT BEAT!
Use the table to write the slope-intercept equation of the line below.
Answer:
Hope this helps :)
Step-by-step explanation:
Use the provided ruler. Suppose you recreate the drawing so that it has a scale of 1 cm : 4 m. What will the length and width of the new scale drawing be?
|x + 2| if x > -1.
Pls help
Answer
1
Step-by-step explanation:
x equals -1
-1+2
1
What is the value of _a_ in the equation below?
2a + 3 = 4a + 5
Step-by-step explanation:
hope it is helpful to you
Step-by-step
Simplifying 2a + 3 = 4a + 5
Reorder the terms: 3 + 2a = 4a + 5
Reorder the terms: 3 + 2a = 5 + 4a
Solving 3 + 2a = 5 + 4a
Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right.
Add '-4a' to each side of the equation. 3 + 2a + -4a = 5 + 4a + -4a
Combine like terms: 2a + -4a = -2a 3 + -2a = 5 + 4a + -4a Combine like terms: 4a + -4a = 0 3 + -2a = 5 + 0 3 + -2a = 5 Add '-3' to each side of the equation. 3 + -3 + -2a = 5 + -3 Combine like terms: 3 + -3 = 0 0 + -2a = 5 + -3 -2a = 5 + -3 Combine like terms: 5 + -3 = 2 -2a = 2 Divide each side by '-2'. a = -1 Simplifying a = -1
A Gallup Poll interviews a random sample of 2,500 Adult Americans to predict the opinions of all adults living in the United States on color discrimination. ( BIASED OR UNBIASED)
Answer:
unbiased
Step-by-step explanation:
i want brainest
please help will mark brainliest
Answer:
The answer is B
answer:
c.962.51 in^3
step-by-step explanation:
so first we have to find the radius
in order to find the radius we divide 12 1/4÷2
which equals 6.125, now we have our radius
now we need to set up the formula
v=4/3πr^3
v=4/3π6.125^3
v=962.51
to check your work you can goo-gle volume of a sphere **you should get the same answer**
good luck :)
hopefully, this helps
have a nice day !!
The data set shows the ages of everyone in a dance class. 4, 17, 17, 17, 17, 17, 18, 18, 18. Select the statement that correctly describes the data. .
A. The typical value is 17. Most values are close to 17, except 4, which is an extreme value.
B. The typical value is 18 because it is the maximum.
C. The typical value is 4 because it is the minimum.
D. The typical value is 9 because that is the total number of people.
Answer:
A, I MIGHT BE WRONG DONT BLAME ME I TRY
Step-by-step explanation:
Answer: I think its D
Step-by-step explanation:
8. Explain why 30+1 = 6 is the same as 30 -/-/--/-X-X = 0. What is
the value of x in this example?
Answer:
5
Step-by-step explanation:
5 because of two ways one you could do 6*what is 30. Or you could do repeated addition 30=5+5+5+5+5+5. But when you do 30=5-5-5-5-5-5. You are doing repeated subtraction which is equivalent to 30-5*6= 0.
Hope this helps more than the link! :)
Two interior angles of a triangle measure 64° and 81°.
What is the measure of the third interior angle of the triangle?
For the data shown in the scatter plot below, which point is an outlier?
A. (1, 4)
B. (3, 3)
C. (4, 7)
D. (8, 7)
Pls answer ASAP
Happy Paws charges $16.00 plus $2.50 per hour to keep a dog during the day. Woof Watchers charges $11.00 plus $3.75 per hour. Complete the equation and solve it to find for how many hours the total cost of the services is equal. Use the variable h to represent the number of hours.
Answer:
Equation: 2.5x + 16 = 3.75x + 11
Hours: 4
Step-by-step explanation:
Hi,
The equation would be...
2.5x + 16 = 3.75x + 11
(To find the solution, you have to set the equations equal to each other)
2.5x is the cost per hour at Happy Paws and the 16 is the charge. For Woof Watchers, the 3.75x is the cost per hour and the 11 is the charge.
Now solve...
2.5x + 16 = 3.75x + 11
Subtract 16 on both sides...
2.5x = 3.75x - 5
Subtract 3.75x on both sides...
-1.25x = -5
Divide by -1.25 on both sides...
x = 4
So at 4 hours, both services will have an equal total of cost.
Hope this helps :)
If the volume of a cone is 2355 and the height is 10 then what is the radius
Answer:
All is know is that to find the volume the formula is 1/3 * radius squared* height *pi
Step-by-step explanation:
Step-by-step explanation:
Given : Volume of Cone = 2355
Height of Cone = 10
To find : Radius of Cone
_For solution please see the above attachment_
If a fair coin is flipped 550 times, what is the most appropriate prediction for the number of times it will land on heads?
4/9 kilogram of baking soda costs $2. How much does 1 kilogram of baking soda cost?
please drop an explanation, and equation thanks!
Answer:
1 kg of baking soda costs $4.50.
Step-by-step explanation:
Write and solve an equation of ratios, as follows:
4/9 kg $2
------------- = --------------
1 kg x
Multiplying both numerators by 9, we get:
4 kg $18
------------ = ---------
1 kg x
Cross-multiplying, we get 4x kg = $18-kg. Solving for x, we get:
$18-kg
x = -------------- = $4.50
4kg
1 kg of baking soda costs $4.50.
A farmer estimates that he will harvest 1,852 bushels of wheat. The weather is perfect during the growing season, so he harvests 4 more bushels of wheat than expected. How many bushels of wheat does the farmer harvest?
A music store reduces the price of a guitar by taking 10% off the original $350 price. After a few months of not selling, the store decides to take 20% off the guitar’s reduced price. How much does the guitar cost after the second reduction in price?
PART 2 of asking for help :( ill gie u brain list and a thank you!!! plus u get the points!!! :)
so help me :<
________________________________________________________________
1. Choose one of the infographics, and describe the story it tells.
2. Which of these graphics do you think would make people more interested in finding out about the data? Why?
3. Which of these infographics makes the data easiest to interpret quickly? Why?
4. Which of these infographics does the best job of convincing the viewer the data is accurate?
_______________________________________________________________
PLZZZZ HELP!!!
Answers:
1. the first infographic describes how many jobs were lost in each month of 2019-2020.
2. the third infographic because it includes a visual of a mask, which is related to the subject, to make the infographic look more interesting.
3. the third infographic. it is presented in a simple line graph with clear points to mark the data sets.
4. the first infographic as it mentions the source of the statistics. it also explains the graph using a small text box to help viewers better understand.
[these answers are not the definite correct ones, i'm sure that multiple different answers will be accepted as long as you justify them! also, this isn't the full answer you should give, don't just copy everything word for word. it's simply a rough structure of the answer and you can elaborate more to substantiate your answer :)]
i can give explanations if you need them! hope this helps :D
An electrician charges $40 for each hour he works plus a $125 service charge. The total charge for a recent job was $1,205. Which equation could be used to determine the number of hours, h, that the electrician worked on the job?
A. 40h+1205=125
B. 1205h+40=125
C. 40h+125=1205
D. 125h+40=1205
Answer:
C
Step-by-step explanation:
If Sophia purchases n songs for .99 cents each, write an expression for the total cost.
Answer:
I think the answer would be n×0.99
Step-by-step explanation:
the answer will be n×0.99 because she bought for example n=7 each for 99 cents. to find the total you would have to do 7x0.99. Hope this help you
Fran’s filing cabinet is 4 feet tall, 2 and a half
feet wide, and 2 feet deep. She plans to paint all sides except the bottom of the cabinet.
Answer:
Fran needs 41 square feet of paint
Step-by-step explanation:
(See image)
So I answered part 1 and 2 but I don’t understand part3
The following cards are used in a game. If each of the cards is turned over and shuffled, then how much of a greater chance is there in drawing a spade over drawing a 7?
Answer:
1/6 of a chance aka 16.666?%
Step-by-step explanation:
The probability of drawing a card with number 7 is 0.166.
What is the probability?Probability can be defined as the ratio of the number of favourable outcomes to the total number of outcomes of an event.
We know that, probability of an event = Number of favourable outcomes/Total number of outcomes.
From the given set of cards,
Total number of cards =6
Number of spades = 3
Number of card with number 7 on it = 1
Probability of drawing a 7 = 1/6
= 0.166
Therefore, the probability of drawing a card with number 7 is 0.166.
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