Why do whole numbers raised to an exponent get greater, while fractions raised to an exponent get

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Betty correctly answers 30 questions on your math test there are 40 questions on the test what percent of the questions did she answered incorrectly