Answer
$\approx2.121$
Work Step by Step
We will use the change-of-base logarithmic formula such as:
$ \log_a{b}=\dfrac{\log_c{b}}{\log_c{a}}$
Using a calculator, plug $a=7$ and $b=62$ in the above formula and use the natural logarithm (base $e$), then evaluating by a calculator:
$\log_{7}{62}=\dfrac{\ln{62}}{\ln{7}}=2.12093 \approx2.121$
