Question

Covertir:

3Km a m
75cm a Dm
81Km/h a m/s
17m/s a Km/h
1h a s

Answer 1

3Km a m=3000m
75cm a Dm=7.5dm
81Km/h a m/s=22.5m/s
17m/s a Km/h=61.2km/h
1h a s=3600s