silvrango
silvrango silvrango
  • 24-10-2018
  • Mathematics
contestada

which expression is equivalent to 4^4 x 4^-9

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gmany
gmany gmany
  • 25-10-2018

[tex]4^4\times4^{-9}=4^{4+(-9)}=4^{-5}=\dfrac{1}{4^5}=\dfrac{1}{1024}\\\\Used:\\\\a^n\cdot a^m=a^{n+m}\\\\a^{-n}=\dfrac{1}{a^n}[/tex]

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