Question

A spherical model of planet earth has a radius of 3 ft.

What is the approximate volume of the model of planet earth?
Use 3.14 to approximate pi and express your answer in hundredths.

Answer 1

@amistre64

Answer 2

@k_lynn

Answer 3

@sammixboo

Answer 4

The formula to find the volume of a sphere is

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

r = radius, so let's plug that in

\(\rm V = \dfrac{4}{3}*3.14* 3^3\)

Answer 5

i think it is 113.04 but dont know how to explain it in hundreds

Answer 6

Yes it is 113.04 give me a sec

Answer 7

ok

Answer 8

You see the HUNDREDTHS placement here? http://barrstudent126.wikispaces.com/file/view/place-value-chart.gif/331158946/342x234/place-value-chart.gif

Answer 9

Not hundreds, hundredths

Answer 10

oh thanks

Answer 11

It is already in hundredths, but I wanted to give you that chart to help :)

Answer 12

If you need anymore help let me know! :)

Answer 13

ok i will thank you