What is 63,020,000 in scientific notation?

There are four numbers is A. P, the sum of the two extremes is 8, and the product of the middle two is 15. What are the numbers

A rectangle game board is 12 1/4 square inches. Its length is 3 1/2. What is the width of the board?

There are 25 students in mrs. Murphys math class, of these students 10 have brown hair, 8 have black hair, 5 have blonde hair, and 2 have red hair. what percentage of students in mrs. Murphys class have black hair?

Divide 56 yd in the ratio 4:7:3

In March Tom had - £165 in his bank account. In April he had - £156. In which month did he have the least amount of money in his account?

What number is 62.5% of 195?

2/w=0.4/0.7 what is w?

2.6 as an improper fraction

The length of a rectangle is 7cm less than twice it's width. If the area is 30 sq. cm, find the dimensions

Heights of 10 year-olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches. Which of the following is true? Roughly 95% of 10 year-olds are between 37 and 73 inches tall.