#### Answer

$8$

#### Work Step by Step

$x=3^{\log _{3}8}\Rightarrow \log _{3}x=\log _{3}3^{\log _{3}8}\Rightarrow \log _{3}x=\log _{3}8\Rightarrow 3^{x}=3^{8}\Rightarrow x=8$

Published by
Pearson

ISBN 10:
013421742X

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

$8$

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