Question

What is the volume of a sphere with radius of 11 cm

Answer 1

Formula: 4/3*r^3*pi

4/3*11^3*pi.
4/3*1331*pi
1771.66667*pi
5575.28

Answer 2

For any sphere:

$V_{sphere} = \frac{4}3\pi r^3$

We can plug in 11 for the radius $r$ and simplify.

$V = \frac{4}3\pi 11^3 \\\\ V= \frac{4}3\pi 1331\\\\ V=\frac{5324\pi}3\ cm^3\ (exact form) \\\\ V\approx 5575.27976\ cm^3\ (decimal form)$