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19-09-2014
Mathematics

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how do you simplify (21 to the 7th power)to the 7th power

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20-09-2014

[tex]Use:\left(a^n\right)^m=a^{n\times m}[/tex]

[tex](21^7)^7=21^{7\times7}=21^{49}[/tex]

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