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May 28, 2015

Homework Help: 8th grade Math

Posted by Mika on Thursday, September 9, 2010 at 6:16pm.

I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here:
I'm supposed to simplify these four problems and I don't really understand how:

28s (15 power)
____
42s (12 power)



4m+(n[7th power]m)


63m(5 power)n(6 power)
______________________
27mn


3a4a(4 power)
______________
28a(2 power)



Thanks!

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