Scientist wants to estimate the volume of Earth and uses a sphere as a model for the planet. According to NASA, Earth's diameter is 12,757 km. The volume of a sphere is four-thirds of the product of Pi and the radius cubed, using 3.14 for pie and that the radius of a sphere is equal to two times its diameter, estimate the volume of Earth

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anonymous · Answer

12757/2= the radius       Volume= 4/3 times (radius*3.14)^3  hope this helps