Answer
$\dfrac {3}{4}$
Work Step by Step
$\log _{x}\left( \dfrac {27}{64}\right) =3\Rightarrow x^{3}=\dfrac {27}{64}\Rightarrow x^{3}=\left( \dfrac {3}{4}\right) ^{3}\Rightarrow x=\dfrac {3}{4}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.3 Logarithmic Functions - 4.3 Exercises - Page 445: 22
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