Answer
$\approx1.5976$
Work Step by Step
The value of $
\ln84
$ is approximately $
4.4308
$. The value of $
\ln17
$ is approximately $
2.8332
$. Hence, the given expression, $
\ln84-\ln17
$ evaluates to
\begin{array}{l}\require{cancel}
4.4308-2.8332
\\\\
\approx1.5976
.\end{array}