#### Answer

$\dfrac {1}{4}$

#### Work Step by Step

$x=\log _{8}\sqrt [4] {8}\Rightarrow 8^{x}=\sqrt [4] {8}\Rightarrow 8^{x}=8^{\dfrac {1}{4}}\Rightarrow x=\dfrac {1}{4}$

Published by
Pearson

ISBN 10:
013421742X

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

$\dfrac {1}{4}$

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