Answer
$\log_5{625}=4$
Work Step by Step
Recall:
$$a^b=y \longleftrightarrow \log_a{y}=b$$
Use the definition above to obtain:
$$5^4=625 \longrightarrow \log_5{625}=4$$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 7 - Exponential and Logarithmic Functions - Chapter Test - Page 491: 8
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