### Home > CCA2 > Chapter 2 > Lesson 2.1.2 > Problem 2-19

2-19.

Simplify each of the following expressions. Be sure that your answer has no negative or fractional exponents.

Begin by rewriting the expression as

. Since

, the expression can be rewritten as .

The negative exponents mean you will be finding the reciprocals of the factors.

There are several ways to simplify this expression. Here is one:

or