What repeated operation does a negative exponent show?

Whats the sum of - 3 and its opposite

What are the next four multiples of the fraction 7/12

MpRashawn recently spent $100 to open a store selling tee-shirts. At his business, he purchases plain tee-shirts for $11 each, prints graphics on them, and then sells them for $26 each.

If the probability of a chance event is 0.21, it is more likely to happen than which of the following probabilities of a different chance event?

The Center for Disease Control and Prevention reports that the rate of Chlamydia infections among American women ages 20-24 is 2791.5 per 100,000.

The jelly Junior high school color is made by mixing red paint with yellow paint the ratio of red plate two yellow is 3 to 5 how much red plate should be mixed with 20 ounces of yellow

Two angles are complementary. one angles measure is 79 degrees. What is the measure of the other angle

True or false? The degree of a binomial is always equal to 2

Given two-digit numbers 10, 13,16, 17 and 20. How many remaining two-digit numbers smaller than 22?

What is the nearest ten thousand, the population of Vermont was estimated to be about 620,000 in 2008. What might have been the exact population of Vermont in 2008