sara7271 sara7271
  • 24-06-2020
  • Mathematics
contestada

Plz ASAP Which expression is equivalent to -8

A) -2^-3

B) (-1/2)^-3

C) (1/2)^-3

D) 2^-3

Respuesta :

PiaDeveau PiaDeveau
  • 29-06-2020

Answer:

Option "B" is the correct answer to the following question.

Step-by-step explanation:

[tex](\frac{-1}{2} )^{-3}[/tex]

-2\times -2\times -2

[tex](\frac{1}{a} )^{-m}= a^m[/tex]

So,

[tex](\frac{-1}{2} )^{-3} = (-2)^3\\\\(-2)^3 = -2\times -2\times -2\\\\ -2\times -2\times -2=-8[/tex]

Therefore, Option "B" is the correct answer

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