Answer
$625$
Work Step by Step
Recall the logarithmic property:
When $a^x=y$, then $\log_a y =x$ and vice-versa.
Applying this rule, we obtain:
$\log_5 x=4 \\ x=5^4 \\ x =625$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 4 - Exponential and Logarithmic Functions - Chapter Test - Page 372: 7
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