Compared to the strength of Earth's gravity at its surfacer= Re where RE is the radius of the Earth, how much weaker is gravity at a distance of r12R? (Enter your answer as a number of times.) times How much weaker is gravity at a distance of r 50 R? (Enter your answer as a number of times.) times Need Help? Read it

Compared to the strength of Earth's gravity at its surfacer= Re where RE is the radius of the Earth, how much weaker is gravity at a distance of r12R? (Enter your answer as a number of times.) times How much weaker is gravity at a distance of r 50 R? (Enter your answer as a number of times.) times Need Help? Read it