#### Answer

$\dfrac {1}{3}$

#### Work Step by Step

$125^{x}=5\Rightarrow \left( 5^{3}\right) ^{x}=5^{1}\Rightarrow 5^{3x}=5^{1}\Rightarrow 3x=1\Rightarrow x=\dfrac {1}{3}$

Published by
Pearson

ISBN 10:
013421742X

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

$\dfrac {1}{3}$

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