Based upon previous lessons in Metric measurement, what would your mass be on the moon with low gravity if you weigh 100 lbs.? (Hint: 2.2lbs = 1kg) Use conversion factors. __4. What would be the volume (cm3 ) of the 3 marbles if they each have a radius of 0.75cm and were not in the graduated cylinder with water? Assuming that volume of a sphere is V = 4/3 πr3