Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 5 - Exponential and Logarithmic Functions - Chapter Review - Chapter Test - Page 348: 7



Work Step by Step

We know that if $a^x=y$, then $\log_a{y}=x$ and vice versa. Thus, $\log_5x=4$ implies that $x=5^4=625.$
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