Answer
$W=2.9KJ$
Work Step by Step
$W$ is found from the formula:
$W=\frac{3}{2}(P_1V_1-P_2V_2)$
Substituting the values of $P_1,P_2,V_1$ and $V_2$ into the formula, we get:
$W=\frac{3}{2}((32)(1\times10^{-3})-(3.2)(4\times10^{-3}))$
$W=2.9KJ$