#### Answer

$5^3$

#### Work Step by Step

RECALL:
$\log_b{x} =y \longrightarrow b^y=x$
Use the rule above to obtain:
$\log_5{(x+1)} = 3 \longrightarrow 5^3=x+1$
Thus, the missing expression in the given statement is:
$5^3$

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$5^3$

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