Aman3yaduhjen
Aman3yaduhjen Aman3yaduhjen
  • 08-05-2016
  • Mathematics
contestada

(x^-4)^5
please simplify the expression

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 08-05-2016
[tex](x ^{-4} )^{5} [/tex]

Apply exponent rule :

[tex](a^b)^c = a^ ^{b.c} [/tex]

[tex]=x ^{(-4)*5} [/tex]

[tex](-4)*5[/tex]

[tex]= - 20[/tex]

Apply exponent  rule :

[tex]a ^{-b} = \frac{1}{a^b} [/tex]

[tex]= \frac{1}{x ^{20} } [/tex]

hope this helps!
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