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February 1, 2015

February 1, 2015

Posted by **Y** on Friday, September 30, 2011 at 9:58pm.

2xto the ninth power-(y+z) x=-1 y=7 z=-7

- math -
**Reiny**, Friday, September 30, 2011 at 10:30pmso you will have

2(-1)^9 - (7 + (-7) )

You should be able to do this in your head.

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