Posted by **Rocio Aguilera** on Monday, February 21, 2011 at 12:18pm.

The mean radius of the Earth is 6.37 x 106 meters (m). Assuming the earth can be modeled as a perfect sphere

a. In cubic meters (m3 ) what is the volume of the Earth?

b. In meters (m) what is Earthâ€™s circumference?

c. If the mean density is 5.515g/cm3, what is the Earthâ€™s mass in kilograms (kg)?

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