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14-06-2018
Mathematics

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Find missing factor 9^-6=9^-4 • ?

Respuesta :

19-06-2018

[tex]Use:\ a^n\cdot a^m=a^{n+m}\\\\9^{-6}=9^{-4+(-2)}=9^{-4}\cdot9^{-2}[/tex]

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