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Algebra
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Feb 25th, 2015

4

8^0y^5z^-7

8^0=1(any number raised to the power of 0=1)

z^-7=1/z^7

answer=y^5/z^7

5

-2^4

=16(when a negative number is raised to an even power, the resulting answer is usually positive)

Feb 25th, 2015

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