Helium balloon

Oscar needs to fill a sphere-shaped balloon with helium. If the balloon has a diameter of 8 inches, what is the total amount of helium that the balloon will hold to the nearest tenth?

Correct answer:

V =  268.1 in3

Step-by-step explanation:

d=8 in  r=d/2=8/2=4 in  V=34 π r3=34 3.1416 43=268.1 in3

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