Answer
$2^{-4} =\dfrac{1}{2^4} = \dfrac{1}{16}$
Work Step by Step
RECALL:
For any non-zero real number $a$,
$a^{-m} = \dfrac{1}{a^m}$
Use the rule above to find:
$2^{-4}
\\=\dfrac{1}{2^4}
\\=\dfrac{1}{16}$
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: 102
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