bumblebee3
A spherical water balloon has a radius of 6 inches. How many cubic inches of water will it hold?
a. 288ð in.3
b. 78ð in.3
c. 216ð in.3
d. 144ð in.3
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Hero
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\[V_{\text{sphere}} = \frac{4\pi r^3}{3}\]
bumblebee3
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@Hero
I got 904.7808
bumblebee3
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What does this symbol mean? ð
Hero
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pi I suppose.
theEric
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I got the same volume formula and my volume on the windows calculator was \(904.7786842338604526772412943845\) using its estimation of \(pi\). The exact answer is \(288\ \pi\).
Hero
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288 pi = 904.7808
theEric
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And so I agree with @Hero again.
Maybe it was just an issue with the computer code. I don't see why anyone would substitute a symbol for \(\pi\) if that's what that means.
theEric
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And the units are \([\text{in.}^2]\)
theEric
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So, that looks right..
Hero
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cubic is in^3
bumblebee3
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Thank you so much I get it now! =)
theEric
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:)
theEric
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Pfft, \([\text{in}^3]\), you're right again.