Réponses

2012-11-09T16:51:45+01:00

1L = 1dm3 = 0.001m3

donc 2L = 0.002 m3

 

3.2 m3 = 4.8 tonnes = 4800 kg

0.002 m3 = 0,002 * 4800 / 3,2 = 3kg