Answer
$-9,000$
Work Step by Step
Since the exponent of $10$ is $\text{
positive
}
3
,$ move the decimal point $
3
$ places to the $\text{
right.
}$ Hence, the given expression, $
-9\times10^3
$ is equivalent to
\begin{array}{l}\require{cancel}
-9,000
.\end{array}