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  • 17-09-2019
  • Mathematics
contestada

Which expression is equivalent to X^2 * X^-6

a.) x^-4
b.)x^-2 * x^-6
c.)1/x^-2
d.)x/x

Respuesta :

gmany
gmany gmany
  • 18-09-2019

Answer:

a.) x^-4

Step-by-step explanation:

[tex]x^2\cdot x^{-6}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=x^{2+(-6)}=x^{2-6}=x^{-4}[/tex]

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