Posted by **barb** on Friday, November 5, 2010 at 4:03pm.

can someone check my answer on this one?

rewrite with rational exponents:

(sqrt5mn)^9

i got: 5^9/2m^9/2n^9/2 is this correct?

- math -
**bobpursley**, Friday, November 5, 2010 at 4:09pm
It is correct, good work. Ignore the immatures.

- math -
**barb**, Friday, November 5, 2010 at 6:00pm
Thank you Bob: Did it make any difference that everything inside the radical is in parentheses? Could the answer have been 5mn^9/2. What did the parentheses indicate?

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