43. What is the density of an object with a mass of 40.0 g and a volume of 80.0 cm^3? * 2 points a. 0.500 g/cm^3 b. 2.00 cm^3/g c. 3.20 x 10^3 g/cm^3 d. 1.20 x 10^2 g/cm^3