100 cm = 1 m ... (100 cm)^3 = (1 m)^3
1000 g = 1 kg
express in g\cm^3 a)2700kg/m^3
2 answers
2700kg/m^3 = 2.7*10^6 g/m^3.
2.7*10^6 g/m^3 * 1m^3/10^6cm^3 = 2.7 g/cm^3.
2.7*10^6 g/m^3 * 1m^3/10^6cm^3 = 2.7 g/cm^3.