#### Answer

$(c)$

#### Work Step by Step

$\log_{7}7^{4} =\qquad$ ... apply $\log_{a}a^{k}=k$
$=4$
... choice $(c)$

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$(c)$

$\log_{7}7^{4} =\qquad$ ... apply $\log_{a}a^{k}=k$
$=4$
... choice $(c)$

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