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May 28, 2015

Homework Help: Math

Posted by Erika on Monday, June 25, 2012 at 9:56pm.

A student answered the following skill-testing question to try and win a prize:
(-4)^3-(-2)^4/2^2+5^2*7^0
The students answer was 5. Did the student win the prize?
I couldnít seem to figure out how to answer this question. I got the answer -13, but my answer sheet said -43. Iím not very good with exponents, so could someone help me through this?

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