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erma4kov [3.2K]
3 years ago
11

What is the volume of a sphere with a radius of 9 units?

Biology
2 answers:
RideAnS [48]3 years ago
7 0
4/3*22/7*729=21384/7
Angelina_Jolie [31]3 years ago
5 0

Answer: Volume = 972\pi units^{3}

Explanation: To find the volume of a sphere, first start with the formula for the volume of a sphere.

Volume = \frac{4}{3} \pi r^{3}

The sphere has a radius of 9 units, so we can plug 9 into the formula.

Volume = (\frac{4}{3}) (\pi) (9units)^{3}

Now, let's simplify the exponent. Remember that 9³ is equal to 9 units x 9 units x 9 units or 729 units³.

Volume = (\frac{4}{3}) (729units^{3}) (\pi)

Notice that we can cross cancel 3 in \frac{4}{3} and 729 to 1 and 243.

Volume = (4) (243 units^{3}) (\pi)

Volume = 972\pi units^{3}

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