Algebra 1: Common Core (15th Edition)

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 422: 37

Answer

-1/27

Work Step by Step

We first plug -3 in for r as the instructions tell us to do. Recall the equation: $a^{-n}= \frac{1}{a^{n}}$. Thus, we simplify this expression: $(-3)^{-3}=\frac{1}{(-3)^{3}}=-1/27$
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