1. The problem statement, all variables and given/known data The mass of the earth is 5.97 e 24 KG. If density = mass/volume, what would be the density of the earth in pounds/ft(3) 2. Relevant equations 3. The attempt at a solution 5.97 e24 KG X 2.2 lbs x 1ft(3)/62.4lbs = 2.1 e23 ft(3)... I dont know what to do after this.