[tex]1 \: {km}^{3} = 1000000000 \: {m}^{3} [/tex]
[tex]0.1 \: {km}^{3} = 100000000 \: {m}^{3} [/tex]
[tex]0.004 \: {km}^{3} = 4000000 \: {m}^{3} [/tex]
[tex]45000 \: {dm}^{3} = 45 \: {m}^{3} [/tex]
[tex]1700 \: {dm}^{3} = 1.7 \: {m}^{3} [/tex]
[tex]230 \: {dm}^{3} = 0.23 \: {m}^{3} [/tex]