8.8 x 10^7 + 3.1 x 10^8 in scientific notation

To decrease an amount by 85% what single multiplier would i need to use?

This is algebra 1 math problem f (*) = 2/5x+10

6 feet tall. 3 feet wide and 2 feet deep. What is the cubic feet are inside the refrigerator

What is the result if 3x-9 is evaluated when x=-5

Blake rows his boat against a current 90 yards in 15 minutes. With a current, he rows 90 yards in 9 minutes. What is the rate at which Blake rows, and what is the rate of the current.

The population of the United States is 3 * 10^8 people, and the population of the world is 6.9 * 10^9 people. How many times larger is the world population? Write your answer in standard notation.

Which of the numbers are divisible by 9 119 702 432 641 372

A restaurant used 8 5/6 pounds of rice on Monday and 5 1/6 pounds of rice on Tuesday. How many more poundsof rice was used on Monday than on Tuesday?

How long will it take an emperor penguin to swim 14 miles if it is swimming 7 mph?

What's worse than finding a worm in an apple?