Question

Find the volume if the sphere shown. give each answer rounded to the nearest cubic unit.

Answer 1

The volume of a sphere is

\(\Large V = \dfrac{4}{3} \pi r^3\)

Answer 2

V=4/33.14*10 to the 3rd

Answer 3

Yes.
V = 4/3 * 3.14 * (10)^3

Answer 4

Start with 10^3.
What is 10 to the 3rd power?

Answer 5

1,000

Answer 6

Good. Now multiply by 3.14

Answer 7

3,140

Answer 8

Good.
Now multiply by 4 and divide by 3.

Answer 9

4,186.6666667

Answer 10

Good.
Now round off to whole number.

Answer 11

4,189

Answer 12

Your answer rounds off to 4187, but if you had used a better approximation of pi, then the correct answer is 4189.