Question

Hasil dr 80 m/s=...cm/s
72 km/jm=...m/s

Answer 1

80*100/s =8000cm/s
72*1000/3600=72000/3600=20m/s

Answer 2

80 m/s = ... cm/s
= 80×100
= 8000 cm/s

72 km/jam = ... m/s
= 72 ×1000 = 72.000 = 20 m/s
     3600          3600