Answer
11.2746
Work Step by Step
Since the first factor has 1 decimal place and the second has 3 decimal places, so the product has 4 decimal places.
$\ \ \ \ \ \overset1{\overset24}90.2$
$\underline{\times\ \ 0.023}$
$\ \ \ \overset11.4706$
$\underline{\ \ \ 9.8040}$
$\ 11.2746$