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December 21, 2014

December 21, 2014

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

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

3a·4a(4 power)

______________

28a(2 power)

Thanks!

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**chandera**, Tuesday, November 18, 2014 at 7:33pmlol

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**Anonymous**, Friday, December 12, 2014 at 6:44amhow many tiles 15 cm square will be needed to cover a floor 5.8 m by 6.90m?

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