Answer
$log_{7}1=0$
Work Step by Step
For all positive numbers $a$, where $a\ne1$, and all positive numbers $x$, we know that $y=log_{a}x$ means the same as $x=a^{y}$.
Therefore, $7^{0}=1$ means the same as $log_{7}1=0$.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 9 - Section 9.3 - Logarithmic Functions - 9.3 Exercises - Page 605: 16
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