math
posted by jim .
simplify square root of 27r^5
Your problem:
√27r^5
Try to break this down as far as you can to simplify.
√(9 * 3)(r^4 * r)
The square root of 9 is 3. The square root of r^4 is r^2.
Therefore, you end up with this:
3r^2√3r > 3r is left under the square root sign.
I hope this will help.
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