Question

Cum transformi
400g/2dm^3
si
400g/10km^3
in unitati SI?​

Answer 1

$400 \ g/2 \ dm^3=0,4 \ kg/0,002 \ m^3=\bold{200 \ kg/m^3}; \\ 400 \ g/10 \ km^3=0,4 \ kg/10\ 000\ 000\ 000 \ m^3=\bold{0,000\ 0000\ 0004 \ kg/m^3}.$