### Home > CCA2 > Chapter Ch2 > 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. Homework Help ✎

^{( \frac { 1 } { 81 } ) ^ { - 1 / 4 }}The negative exponents mean you will be finding the reciprocals of the factors.

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