100 dm cubi= 0,1 m cubi
1l = 0, 001 m cubi
1km = m cubi ??? daca e 1 km cub = 1 000 000 000 m cubi
1mm cubi+1cm cubi+ 1dm cubi +1 m cubi +1km cubi =m cubi
10 ^-9 + 10^-6 + 19^-3 +1 + 10^9 = 0,000 000 001+0,000001 +0.001+ 1 +1000000000=
1000000001, 001001001 m cubi