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04-11-2014
Mathematics

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What is the missing exponent?

(12^-5)^2 / 12^-4 = 12^_____

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Аноним Аноним

04-11-2014

[tex]\frac{(12^{-5})^2}{12^{-4}}=\frac{12^{-5\times2}}{12^{-4}}=\frac{12^{-10}}{12^{-4}}=12^{-10-(-4)}=12^{-10+4}=12^{-6}\\\\Answer:\boxed{-6}[/tex]

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