Answer
$243$
Work Step by Step
$\log _{9}x=\dfrac {5}{2}\Rightarrow x=9^{\frac {5}{2}}=\left( 3^{2}\right) ^{\frac {5}{2}}=3^{5}=243$
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: 35
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