Answer
$$4$$
Work Step by Step
$\log_7{49^2}$
$=\log_7{7^{2^2}}$
$=2^2$
$=4$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 7 - Exponential Functions - 7.3 Logarithms and Their Derivatives - Exercises - Page 342: 8
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