Help with question with working please

• Nov 18th 2012, 07:07 AM
jassy
Help with question with working please
i dont know if this is the place for it but i really need some help with this question and the working as to how you got the answer. I dont know how to get the symbols on the keyboard hope you all understand it. its 4 over 3. thanks much.

The volume of a sphere is given by V=4/3 pi r cubed. if the diameter is 14mm, correct to the nearest cubic millimeter, the volume is?
• Nov 18th 2012, 07:52 AM
Prove It
Re: Help with question with working please
Quote:

Originally Posted by jassy
i dont know if this is the place for it but i really need some help with this question and the working as to how you got the answer. I dont know how to get the symbols on the keyboard hope you all understand it. its 4 over 3. thanks much.

The volume of a sphere is given by V=4/3 pi r cubed. if the diameter is 14mm, correct to the nearest cubic millimeter, the volume is?

The radius is half the diameter, so let r = 7, substitute into the formula and simplify...
• Nov 18th 2012, 09:31 AM
topsquark
Re: Help with question with working please
Quote:

Originally Posted by jassy
i dont know if this is the place for it

This should be in the Geometry forum.

-Dan
• Nov 19th 2012, 12:04 PM
jassy
Re: Help with question with working please
Thanks much for your help. Worked it out and got the answer.
• Nov 19th 2012, 12:05 PM
jassy
Re: Help with question with working please
oh and thanks Dan I know now.