Density=Mass/Volume
Mass=Density * Volume
= 900 kg / 1m3 * 8 cm3 =900/1000000 cm3 * 8 cm3 =0.0072 kg= 0.72 g
By SHIVASIS MOHANTY
M = D.V
D=900 KG/M^3
V=2.2.2=8CM^3=8/100 x 100 x100 m^3
M = 900 x 1000 x 8 =9*8/10 =72/10=7.2 kg=7200kg
100 x 100 x 100