Posted by **blockhead** on Monday, April 21, 2008 at 10:28pm.

7s over 5t to the negative 3rd power

2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power

7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power

If you would please simplify these problems as much as you can.

Thanks

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