Answer
Estimated 320,000
Exact 282,000
Work Step by Step
Estimate by rounding to the nearest 100
$800\times400=320,000$
$\ \ \ \ \ \ \ 752$
$\underline{\times\ \ \ \ 375}$
$\ \ \ \ \ 3760$
$\ \ \ 52640$
$\underline{\ 225600}$
$\ 282000$