Answer
$7^2=49$
Work Step by Step
Since $\log_b y=x$ implies $b^x=y$, the given equation, $
\log_7 49=2
$, implies
\begin{align*}\require{cancel}
7^2=49
.\end{align*}
Hence, in exponential form, the equation $
\log_7 49=2
$, is equivalent to $
7^2=49
$.
