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October 23, 2014

Homework Help: I really need help! (Math)

Posted by A Girl. on Thursday, February 2, 2012 at 10:17pm.

Simplify the expression. Write your answer using only positive exponents.
Explain as well.

1. (8x)^3*8^-4
2. 2x^-5*y^-3
3. (4x^4y^-3)^-2
4. 1/(3x)^-2

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