Answer
$6^{-3}= \dfrac{1}{6^3} = \dfrac{1}{216}$
Work Step by Step
RECALL:
For any non-zero real number $a$,
$a^{-m} = \dfrac{1}{a^m}$
Use the rule above to find:
$6^{-3}
\\=\dfrac{1}{6^3}
\\=\dfrac{1}{216}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - Chapter Summary, Review, and Test - Review Exercises - Page 336: 101
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