Answer
0.650 $m^3$
Work Step by Step
We use unit conversions to solve this problem:
$650L=650L\times\frac{1000cm^3}{1L}\times(\frac{1m}{100cm})^3=650L\times\frac{1000cm^3}{1L}\times\frac{1m^3}{1,000,000cm^3}=\frac{650,000}{1,000,000}m^3=0.650m^3$