alexassantana1 alexassantana1
  • 11-07-2019
  • Mathematics
contestada

Simplify: ( y^−7 × y^−3 )−1 A. y−21 B. y 21 C. y−10 D. y 10

Respuesta :

TaeKwonDoIsDead
TaeKwonDoIsDead TaeKwonDoIsDead
  • 11-07-2019

Answer:

D

Step-by-step explanation:

The rules we need to simplify this are:

[tex]a^x*a^y=a^{x+y}[/tex]

and

[tex](a^x)^y=a^{xy}[/tex]

Now, let's simplify the problem:

[tex](y^{-7}*y^{-3})^{-1}\\(y^{-10})^{-1}\\y^{10}[/tex]

Answer choice D is y^10, so that's correct.

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