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OpenStudy (anonymous):
A 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 12,756 km. The volume of a sphere is four-thirds of the product of Pi (π) and the radius cubed. Using 3.14 for π and that the radius of a sphere is equal to two times its diameter, estimate the volume of Earth.
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OpenStudy (cggurumanjunath):
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