Question

dau coroana pls ajutatima​

Answer 1

1. ρ=$\frac{m}{V}$

V=a·b·c=40·20·2=1600 cm³

ρ=$\frac{4,48}{1600}$=0,0028 $\frac{kg}{cm^{3} }$=2800 $\frac{kg}{m^{3} }$