the Earth has mass of approximately

5.98* 10^24kg and radius 6.38* 10^6m. what is the density of the Earth in (a)g/cm^3 and (b) kg/m^3 ?

2 answers

volume = (4/3)*pi*r^3 in units of m^3
density = mass/volume = ? in kg/m^3
Convert kg to g and m^3 to cm^3 for the other units.
tarob