2 m3 = 2 000dm3 42 dm3 = 42 000cm3
1489 cm3 =1,489 dm3 7,009 m3 = 7 009dm3
5,42 m3 = 5 420dm3 307,4 cm3 = 0,3074dm3
`2m^3=2xx1000=2000dm^3`
`1489cm^3=1489 : 1000=1,489 dm^3`
`5,42 m^3 = 5,42 xx 1000dm^3=5420dm^3`
`42dm^3= 42 xx 1000=42000cm^3`
`7,009 m^3=7,009 xx 1000=7009dm^3`
`307,4cm^3 = 307,4 : 1000=0,3074dm^3`