c7ecrarusseli
c7ecrarusseli c7ecrarusseli
  • 05-09-2016
  • Mathematics
contestada

what is 4^3 × 4^-6 .

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dalendrk
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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