Question 24594:  The volume of a cube is given by V=s cubed. Find the length of a side of a cube if the Volume is 729 cm cubed.
 
 
 Answer by rapaljer(4671)      (Show Source): 
You can  put this solution on YOUR website!   
 
 
 
Do you happen to know what number you can cube and get 729?  Do you have a calculator?  If so, you can take the cube root of 729.  That is  .
 
 
If you are NOT allowed to use calculators, then you will have to start cubing numbers, like  ,  ,  , and so on, then try  .  OOPS!! That number is larger than 729, so back off and try 9!  I think you will find that  , so the answer you need is 9 cm.  Final answer!
 
 
R^2 at SCC
 
 
P.S.  The calculator is a LOT easier, if your teacher will allow you to use it on big numbers like this!!  Tell them R^2 at SCC likes calculators!! 
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