Answer
estimate: 300
exact: 265.644
Work Step by Step
Estimate:
Round each number.
$56.62\approx60$
$4.7\approx5$
Solve.
$60\times5=300$
Exact:
$\ \ \ 56.52$
$\underline{x\ \ \ \ \ 4.7}$
$\ \ 39.564$ Multiply 56.52 by 7
$\underline{226.080}$ Multiply 56.52 by 40(Multiply by 4 and add a trailing 0)
$265.644$ Add the interim products.
The final result has 3 decimal places because the factors have a total of 3 decimal places.