Réponse:
1. 4,5dm3 = 45cm3
P=m/v
m=P*v
m=2,8*45
m=126g
2. v=m*P
v=380*2.7
v=1026cm3
3. P=m/v
P=28,95/1,5
P=19.3g/cm3
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Réponse:
1. 4,5dm3 = 45cm3
P=m/v
m=P*v
m=2,8*45
m=126g
2. v=m*P
v=380*2.7
v=1026cm3
3. P=m/v
P=28,95/1,5
P=19.3g/cm3