Measurements of atoms, such as amounts, distances, and weights, are often very large or very small when compared to measurements of things you can see or touch. Scientific notation represents numbers as a power of 10. This makes very large or small numbers easier to use and understand. Approximately 7,500,000,000,000 carbon atoms fit across the period that you make with your pencil. Express this number in scientific notation. (PLEASE ANSWER FAST I'LL GIVE BRAINLIEST ALSO PLEASE DO ALL THIS IS WORTH 30 POINTS)


Step 1 Rewrite the number with a decimal after the first nonzero digit.7.500000000000


Step 2 Find the number of places and the direction you moved the decimal. If a number does not show a decimal, the decimal is at the right end of the number.You moved the decimal 12 places to the left.


Step 3 Drop the zeros, and write the number of places you moved the decimal as a power of 10. If you moved the decimal to the right, the power is negative. If you moved the decimal to the left, the power is positive.7.5 × 10 12


Step 4 Reverse the process to change scientific notation back to a whole number. A positive power of 10 moves the decimal to the right. A negative power of 10 moves the decimal to the left.


(Answer 1, 2, 3, 4 and 5 )


1. A sample of gold contains 3,800,000,000,000,000,000 atoms. Express this number in scientific notation.


2. A sample of silver contains 400,000,000,000,000 atoms. Express this number in scientific notation.


3. A sample of carbon has a mass of 0.000000000000000000034 kg. Express this mass in scientific notation.


4. A sample of silicon contains 5.23 × 10^11 atoms. Write this amount as a whole number.


5. The mass of a proton is about 1.67 × 10 -27kg. Write this mass as a whole number

Answer:

Step-by-step explanation:

1)3.8 *10¹⁵

2)4.0*10¹⁴

3)30.4*10⁻²⁰

4)523,000,000,000 atoms

5)0.000 000 000 000 000 000 000 000 00167

PLEASE ANSWER PWEASE

helpppppppppp!!! :( math up ):

c) Explain how 223 compares to another mixed number.

______________________________________________________

4. Which of these is greatest?

A 4/5 × 10 1/2

B 2 1/2 × 16/5

C 3 2/3 × 2 1/2

D 2 0/3 × 9/10

(: il make u brainlist!!!! and give u a thank you!! + u get the points and ima add 5 stars :)

Dont send me pdfs or links please answer correctly for brainliest

Determine whether each sample is unbiased with complete sentences.

The population is every pet at an animal shelter.

A. Sample: Every dog is used as the sample.

B. Sample: The animals are grouped by species (dog, cat, rabbit, etc.), and five animals from each group are randomly selected to determine their age.

C. Sample: Every animal's name is dropped into a container, and 15 names are pulled out of it.

what is the answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! AAAAAAAAAAA

10 points help me pls

GIVING BRAINLIEST
Which key correctly represents the information below?

A) 11 | 2 = 12
B) 1 | 2 = 12
C) 11 | 2 = 112
D) 11 | 2 = 13

What is the value of the angle marked with x? I will give Brainliest.

whats an equation equal to 10x-5​

solve the equation -2(x-5)=-14

Can someone help me?

My teacher said to put in simplisit form. and not to estimate.
I will give brainlisit !!!

I need the correct answer for this it says incorrect?????

Solve 2\3 = 1/4 k



btw it algebra

Yea.....can sum1 help pls

NEED THIS ASAPPPPPP The circumference of a circular field is 175.84 yards. What is the radius of the field? Use 3.14 for pie and do not round your answer.

PLEASE NO LINKS OR FILES ALL IM ASKING IS FOR AN HONEST ANSWER PLASE AND THANK YOU WILL GET BRAILEAST IF CORRCT :))

Please help with this! I was having problems with the answer and I just wanted to know if I was right.

HELPPPPPPPPPPPPPPPPPPPP!!!!!!!!

ANSWER FOR BRAINLIEST

The circumference of a circle is 17π ft. Find its radius, in feet.

plsss help this is due today

Help I don’t understand this