Jawabanmu

2014-09-03T15:18:26+07:00
Ρ= m/v
v= p.l.t
 = 800 cm³ = 800 : 1000000= 0,0008 m³
ρ= m/v
  = 3,2 kg/0,0008 m³
  = 4000 kg/m³