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Mathematics 8 Online
OpenStudy (logan13):

What is the exact volume of the sphere? A. 463.01 m3 B. 147.456 m3 C. 96.46 m3 D. 36.868 m3

OpenStudy (logan13):

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rebeccaxhawaii (rebeccaxhawaii):

do you have the formula?

OpenStudy (logan13):

No

OpenStudy (4everaddicted2anime):

The formula for the volume of a sphere is\[V=\frac{ 4 }{ 3 }\pi r^3\]

OpenStudy (logan13):

4 divided by 3

OpenStudy (4everaddicted2anime):

Plug in the radius of 4.8 to get\[V=\frac{ 4 }{ 3 }\pi(4.8)^3\] What is 4.8^3?

OpenStudy (logan13):

110.592

OpenStudy (4everaddicted2anime):

Okay now here is what you have\[V=\frac{ 4 }{ 3 }(110.6)\pi\] What is (4/3)*110.6?

OpenStudy (logan13):

147.466666667

OpenStudy (4everaddicted2anime):

Here is what you have now\[V=147.46\pi\] I rounded the previous number so the answer will be a little off when you compare it with the question(only by a few decimal points)

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