if any one could please help me that would be amazing, thank you!!
The radius of earth is about 6378 km and the radius of Mercury is about 2440 km. About how many times greater is the volume of Earth than that of Mercury?

Please help me anyone, thank you!

Question

if any one could please help me that would be amazing, thank you!! 
The radius of earth is about 6378 km and the radius of Mercury is about 2440 km. About how many times greater is the volume of Earth than that of Mercury?

Please help me anyone, thank you!

anonymous · Answer

an explanation would be nice as well

slaaibak · Answer

Start by stating the formula for the volume of a sphere.

Calculate both volumes.

Divide the earth by mercury.

There's your answer.

mertsj · Answer

Volume of a sphere = 4/3 pi r^3
Calculate both volumes and divide the larger by the smaller to see how many times greater it is.