SOLUTION: Please, help me with this If each sides of a cube expands by r%. What is the approximate percentage change in its volume?

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Question 1027858: Please, help me with this
If each sides of a cube expands by r%. What is the approximate percentage change in its volume?

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
So assume that the side was originally, .
Now it would be
The volume originally was

and the new volume,
}

We can approximate by chopping off the last two terms,

So then comparing,


Multiply by 100 to make it a percentage,

Subtract 100 to find the percentage change,



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