c7ecrarusseli c7ecrarusseli

05-09-2016
Mathematics

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what is 4^3 × 4^-6 .

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dalendrk dalendrk

06-09-2016

[tex]Use:\\a^n\cdot a^m=a^{n+m}\\\\a^{-n}=\dfrac{1}{a^n}\\\\4^3\cdot4^{-6}=4^{3+(-6)}=4^{-3}=\dfrac{1}{4^3}=\dfrac{1}{64}[/tex]

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