Answer
$0.000003497$
Work Step by Step
Since the exponent of $10$ is $
-6
$ in the given expression, $
3.497
\times10^{
-6
}$, then move the decimal point $
6
$ places to the $\text{
left
}$ to get
\begin{array}{l}\require{cancel}
0.000003497
.\end{array}