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Mathematics 26 Online
OpenStudy (anonymous):

Am I correct? What is the exact volume of the sphere? A.56.3ft3 B.273.625ft3 C.366.16ft3 D.1464.6ft3

OpenStudy (anonymous):

OpenStudy (anonymous):

i think A

OpenStudy (anonymous):

or D

OpenStudy (anonymous):

@TuringTest @bohotness

OpenStudy (welshfella):

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

OpenStudy (anonymous):

radius is 6.5^2 rite?

OpenStudy (welshfella):

I dont think it is I didnt get anything like one of the options

OpenStudy (anonymous):

what do you mean

OpenStudy (welshfella):

i plugged r = 6.5 into the formula and got 1150.35 as the volume

OpenStudy (anonymous):

ok so should we divide by pi?

OpenStudy (welshfella):

no volume = (4/3) * pi * (6.5)^3

OpenStudy (welshfella):

OH i see what you mean 1150.35 / pi = 366.16

OpenStudy (anonymous):

so would that be it?

OpenStudy (welshfella):

the options should all have pi after them correct answer is 366.16pi ft3

OpenStudy (welshfella):

when they exact in the question it implies that the answer should contain pi

OpenStudy (welshfella):

take C for the answer

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Thanks!

OpenStudy (welshfella):

yw

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