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A globe has a surface area of 2700 cm². Andrew wants to estimate the volume of the globe. To do the estimate, he approximates π using 3 in both the surface area and volume formulas for a sphere. Using this method, what value does he get for the approximate volume of the globe?

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surface area=4πr2=2700 cm2
r2=2700=27004×3=225
r=225−−−=15
volume=43πr3=43×3×153=13500 cm3
User Max Vorobjev
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