1 km = m 4 km = cm 2,5 m = hm 6,65 km = dam 3000 dam = hm pake caranya

1 km = 1.000 m === 1×1000
4 km = 400.000 cm === 4×100.000
2,5 m = 0,025 hm === 2,5 ÷ 100
6,65 km = 66.500 dam === 6,65×100
3000 dam = 30 hm === 3000÷100
maaf kalo ada yang salah ..... semoga membantu