miguelhernandez7 miguelhernandez7
  • 12-06-2018
  • Mathematics
contestada

Evaluate 1/3^-2x^-4y^2 for x=3 and y=-1

A.) -9
B.) 9
C.) -729
D.) 729

Respuesta :

calculista
calculista calculista
  • 22-06-2018
we have
[tex]1/[ 3^{-2} x^{-4} y^{2} ][/tex]

Let's substitute the given values of x and y into the expression:
for x=3 and y=-1
[tex]=1/[ (3)^{-2} (3)^{-4} (-1)^{2} ][/tex]
Using the laws of exponents:
[tex]=1/[ (3)^{-2-4}(1) ] \\ = 3^{6} \\ =729[/tex]

the answer is
729
Answer Link
Snoop5133 Snoop5133
  • 10-10-2018

The correct answer is 729.

Answer Link

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