Five medium apples have about 475 calories. three medium oranges have about 186 calories .. which one have fewer calories

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup