Volume = 4/3*pi*83 = 2144.661 cubic mm rounded to 3 decimal places
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Volume of a sphere = 4/3 pi R3 = 4/3 pi 83 = 2144.66 (rounded)
If 8m is its radius then the volume of the sphere is: 4/3*pi*8^3 = 2145 cubic m rounded
If the radius of a sphere is doubled, the surface area increases by (2)2 = 4 times, and the volume increases by (2)3 = 8 times.
Volume of the sphere: 4/3*pi*2^3 = 33.5 cubic meters to one decimal place
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