Answer
22.41
Work Step by Step
Since the first factor has 1 decimal place and the second has 1 decimal place, the product has 2 decimal places.
$\ \ \ \ \ 8.3$
$\underline{\times\ \ 2.7}$
$\ \ \ \overset1{\ }\overset15.81$
$\underline{\ \ 16.60}$
$\ \ 22.41$
Estimate:
$8.3\approx8$
$2.7\approx3$
$8\times3=24\checkmark$