Answer
$1.9MPa$
Work Step by Step
We can determine the gas pressure as follows:
$pV=nRT$
This can be rearranged as:
$p=\frac{nRT}{V}$
We plug in the known values to obtain:
$p=\frac{(3)(8.31)(153)}{0.002}$
This can be rearranged a:
$p=1.9MPa$