When inflated, a beach ball has a radius of 4.5 inches. Approximately how many cubic inches of air does it hold?

A.286
B.95
C.32
D.382

can someone help I dont quite understand it I think it might be 32 am I wrong?

4 answers

Not 32!
recall that the volume of a sphere is
v = 4/3 π r^3
just took the test and got the correct answer.
D-382
382 is correct
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