Answer
Estimate 840
Exact 811.863
Work Step by Step
Estimate:
Round to the leftmost digit in each number. That is the hundreds position in the minuend and the tens position in the subtrahend.
$\ 900.000$
$\underline{-60.000}$
$\ 840.000$
Exact
$\ 875.620$
$\underline{-63.757}$
$\ 811.863$
