Posted by **LovelyDec0y** on Monday, February 18, 2013 at 2:01pm.

Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number.

V = (4/3)3.14(r)^3 = (formula)

I don't know what to do about the fraction, four over three (4/3), in the formula.... Show me how to do this please?

- Math (PreAlgebra) 8thG -
**Bosnian**, Monday, February 18, 2013 at 2:34pm
V = ( 4 / 3 ) * pi * r ^ 3

V = ( 4 * pi * r ^ 3 ) / 3

V = 4 * 3.1416 * 10 ^ 3 / 3

V = 4 * 3.1416 * 1000 / 3

V = 12566.4 / 3

V = 4188.8 ft ^ 3

Round to the nearest whole number

V = 4189 ft ^ 3

- Math (PreAlgebra) 8thG -
**Barb**, Monday, February 18, 2013 at 2:35pm
Multiply:

4/3* 3.14 * 10^2 =

1256/3 =

419 ft^3

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