Find the simplified form of the expression. Give your answer in scientific notation.

(4x10^10) (9x10^-5)

Which letter has rotational symmetry? P Z W F

You and your friend each start a car-washing service. You spend $25 $ 25 on supplies and charge $10 $ 10 per car. Your friend spends $55 $ 55 on supplies and charges $13 $ 13 per car.

What is the b in this math question - 17+b/8=1

A pet survey found that the ratio of cats to dogs is 2/5 which porportion shows the number dogs if the number of cats is 140

Find three consecutive integers such that the largest is 3 less than twice the smallest

Which term best describes the shapes below that are the same shape but not the same size

Find the percent of the number. 25% of 340

This may be easy but here's a movie mathematics problem for the beginners. There is a population of 50 people watching a halloween movie named "hocus pocus" and another halloween movie named "halloween town" with a population of 70 then the last one

The length of a classroom is 31 feet. What is this measurement in yards and feet. The measurement is how nany yards and how many feet.

When the number is divided by 6 the remainder is five when the number is divided by 7 the remainder is 6 when the number is divided by 9 the remainder is 8 what is the number?