whats the result of rounding 52.8015 into five significant figures​

Three students sit in the first row. In the second row, 3 students sit behind each of those students, and so on. Write an expression with exponents to show how many students sit in the third row? How many total students are seated?Please help, I don't understand this. You get 65 points! Based on your understanding of the ancient Chinese economy and the Silk Road, state whether you have decided to transport porcelain by land or by sea. Give two reasons for your answer. Solve for x.ASAP, please help me I need help with math pls _________________________ occurs when a target cell has been exposed to a hormone for an extended period of time and decreases the number of receptors for that hormone. _________________________ is the term that describes two hormones that work together to stimulate a target cell with similar effects. _________________________ occurs when two hormones work in opposition on target tissue. _________________________ happens when one hormone must be present in order for another hormone to carry out its effects on target tissue. _________________________ is the loop that occurs when release of a hormone is inhibited. HELP I HAVE 20 MINS LEFT HHHHHHHH#EEEEEEEEEEEEEELLLLLLLLLPPPPPP At a birthday party, 8pizzas are ordered. If 12people share the pizzas,how much of a pizza willeach person receive? Which of the following was areason for many to settle out in the West under the Homestead Act?A. the frequent droughts in the New EnglandstatesB. the land was yours at no cost after five yearsC. the invention of the automobileD. the demand for wheat and corn to beproduced Which sentence correctly uses the conditional mood?I would have told the truth if I'd known it.I would tell the truth if I will know it.I will tell the truth when I know it.I would tell the truth if I'd known it. A. The actual building height will be 596 ft tall. You want your model to be 3 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.B. The actual building height will be 254 ft tall. You want your model to be 5 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.C. The actual building height will be 1087 ft tall. You want your model to be 6 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building. what is the formula to calculate velocity? What is the value of x? Chapter- Third Person Eddie Meets in HeavenQuestionsRuby is Eddies third person. Where does she choose for her heaven to be and why?How is Ruby connected to Eddie if she never met him in life? There are at least two ways.How does Eddies father die?How does Eddie end up working at Ruby Pier? Be specific about the process. . The small fish are not affected by the pesticide, but death occurs in the bird, at the top of the food chain. Why do you think that happens? write a paragraph that explains how katniss and jonas react similarly to decisions made by thier communities. focus on the characters feelings about the reaper If anyone knows this please let me know and explain?? Calculate the molar mass of NaNO3- Does anyone know the answer to these?? Please answer quickly and please dont joke around . Fill in the blank with the word or phase that best completes the sentence Lono ____ ingentem, Pythonem, sequi latonam iussit .1 lunam 2 infantem 3coniugem4 serpentem How many groups of 1/4 are in 3?