Respuesta :
Using the
formula d=m/v, we first need to convert 5.0 and 45.0 to their SI unit
equivilents. 5.0g is 0.005kg, 45.0cm^3 becomes 0.000045m^3.Therefore, the density of your cube is 0.005/0.000045=111.11 kg/m^3(5 s.f)