#### Answer

$243$

#### Work Step by Step

$\log _{9}x=\dfrac {5}{2}\Rightarrow x=9^{\frac {5}{2}}=\left( 3^{2}\right) ^{\frac {5}{2}}=3^{5}=243$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$243$

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