What is 140,000,000 in scientific notation

The time required to finish a test and normally distributed with a mean of 40 minutes in a standard deviation of eight minutes. What is the probability that a student chosen at random will finish the test and more than 56 minutes

A researcher wants to determine if preschool attendance is associated with high school graduation for low-income students.

A man ships its p in boxes with edges of 4 inches. if 12 boxes are put in a carton and completely fill the carton what is the volume of the carton?

Alex is 12 years older than George. Carl is three times older than Alex The sum of their ages is 68 find the ratio of George's age to Carl's age to Alex's age.

What is the product of 76.3 and 58

In Covina, California, the population is 47,000. The population increases 18% every year. Determine how long it will take to reach 192,000.

Express 360 as a product of primes

2x - 6 ≥ 6 (x - 2) + 8

Diego is solving the inequality 100 - 3x ≥ - 50. He solves the equation 100 - 3x = - 50 and gets x = 50. What is the solution to the inequality?

What is the distance between (-2,4) and (5,4) on a coordinate grid