Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - 5.2 - Logarithmic Functions and Their Graphs - 5.2 Exercises - Page 378: 8



Work Step by Step

$\log_{9}\frac{1}{81}=-2$ $y=log_{a}x$ if and only if $x=a^{y}$ Hence, $\log_{9}\frac{1}{81}=-2$ implies $\frac{1}{81}=9^{-2}$
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