Respostas

2013-11-09T23:10:26-02:00
0.24 km → 240 m
7.2 cm → 0.072 m
50 mm → 0.05 m
90 min → 5400 s
12 h    → 43200 s
24 h    → 86400 s
150 t → 150000 kg
0.5 g  → 0.0005 kg
4 5 4