Answer
$\frac{1}{9}$
Work Step by Step
$3^{-2}$ = $\frac{1}{3^{2}}$ = $\frac{1}{9}$
Whenever there is a negative exponent, we should place the term under a 1. Then we evaluate the expression. In this instance, the answer is $\frac{1}{9}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Practice and Problem-Solving Exercises - Page 421: 9
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