Answer
$\log_{2} \frac{1}{16}=-4$
Work Step by Step
Since $b=x^{a}$ can be written as $\log_{x} b=a$ ,
$\frac{1}{16}=2^{-4}$ can be written as $\log_{2} \frac{1}{16}=-4$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Review - Page 906: 40
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