Answer
$13577 \; mm^3$.
Work Step by Step
Radius $r=12.0\; mm$.
Height $h=30.0\; mm$.
The formula for the volume is
$V=\pi r^2 h$
Plug all values into the formula.
$V=\pi(12.0\; mm )^2(30.0\; mm)$
Simplify (rounded value).
$V=13577 \; mm^3$.