Odpowiedź:
[tex]5.2 \: {m}^{2} = 5.2 \times 1m \times 1m \times 1m = 5.2 \times 10dm \times 10dm \times 10dm = 5.2 \times {10}^{3} \times {dm}^{3} = 5200 {dm}^{2} = 5200 \: l[/tex]
[tex]0.00003 \: {km}^{3} = 0.00003 \times 1 \: km \times 1 \: km \times 1 \: km = 0.00003 \times 1000m \times 1000m \times 1000m = 0.00003 \times 10000dm \times 10000dm \times 10000dm = 0.00003 \times {10000}^{3} \times {dm}^{3} = 30 \: 000 \: 000 {dm}^{3} = 30 \: 000 \: 000 \: l[/tex]
[tex]800 {cm}^{3} = 800 \times 1cm \times 1cm \times 1cm = 800 \times 0.1 \: dm \times 0.1 \: dm \times 0.1 \: dm = 800 \times {0.1}^{3} \times {dm}^{3} = 0.8 \: {dm}^{3} = 0.8 \: l[/tex]
[tex]721 \: 000 \: {mm}^{2} = 721 \: 000 \times \: 1 \: mm \times 1 \: mm \times 1 \: mm = 721 \: 000 \times 0.01 \: dm \times 0.01 \: dm \: \times 0.01 \: dm = 721 \: 000 \times {0.01}^{3} \times {dm}^{3} = 0.721 \: {dm}^{3} = 0.721 \: l[/tex]
[tex]0.00004 \: {m}^{3} = 0.00004 \times 1 \: m \times 1 \: m \times 1 \: m = 0.00004 \times 100cm \times 100cm \times 100cm = 0.00004 \times {100}^{3} \times {cm}^{3} = 40 {cm}^{3} = 40 \: ml[/tex]
[tex]0.003 {dm}^{3} = 0.003 \times 1dm \times 1dm \times 1dm = 0.003 \times 10cm \times 10cm \times 10cm = 0.003 \times {10}^{3} \times {cm}^{3} = 3 {cm}^{3} = 3 \: ml[/tex] = 0,8 cm^3 = 0,8 ml
3100 mm^3 = 3100*1mm*1mm*1mm = 3100*0,1cm*0,1cm*0,1cm = 3100*0,1^3*cm^3 = 3,1 cm^3 = 3,1 ml