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Which expression is equivalent to (StartFraction x Superscript negative 4 Baseline y Over x Superscript negative 9 Baseline y Superscript 5 Baseline EndFraction) Superscript negative 2? Assume x not-equals 0, y not-equals 0.
StartFraction y Superscript 8 Baseline Over x Superscript 10 Baseline EndFraction
StartFraction x Superscript 5 Baseline Over y Superscript 7 Baseline EndFraction
StartFraction x Superscript 5 Baseline Over y Superscript 4 Baseline EndFraction
StartFraction x Over y Superscript 7 Baseline EndFraction

Respuesta :

sqdancefan

Answer:

  [tex]\dfrac{y^8}{x^{10}}[/tex]

Step-by-step explanation:

Apparently, you want to simplify ...

  [tex]\left(\dfrac{x^{-4}y}{x^{-9}y^5}\right)^{-2}\\\\=(x^{-4-(-9)}y^{1-5})^{-2}=x^{5(-2)}y^{-4(-2)}\\\\=x^{-10}y^8=\boxed{\dfrac{y^8}{x^{10}}}[/tex]

Answer:

Answer is A on edgetrash2020

Step-by-step explanation: