Posted by **katrina** on Wednesday, January 6, 2010 at 6:39pm.

I have no idea how to do these plaese help(:

evaluate each of the following

1. 81^-1/4 (81 to the negative power of one fourth)

2. 125^2/3

3. 64^-3/2

4. 4^3/2

answers and work please

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