a)
[tex]15.28 {dm}^{2} = 1528 {cm}^{2} [/tex]
b)
[tex]8.2dam {}^{2} =820 {m}^{2} = 82000 {dm}^{2} [/tex]
c)
[tex]700000 {cm}^{2} = 7000 {dm}^{2} = 70 {m}^{2} = 0.7 {dam}^{2} [/tex]
d)
[tex]147000 {m}^{2} = 1470 {dam}^{2} = 14.7 {hm}^{2} = 0.147 {km}^{2} [/tex]
e)
[tex]0.025 {km}^{2} = 2.5 {hm}^{2} = 250 {dam}^{2} = 250ari[/tex]
f)
[tex]10 \: 000 \: 000 {cm}^{2} = 100 \: 000 {dm}^{2} = 1000 {m}^{2} = 10 {dam}^{2} = 0.1 {hm}^{2} = 0.1ha[/tex]
