anonymous
  • anonymous
Multiply the expressions, and simplify. (-10x^-5y^-2) · (-9x^-4y)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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precal
  • precal
I do not think you wrote the problem correctly. Please use the equation key on the lower left to input
anonymous
  • anonymous
\[(−10x ^{-5} y ^{-2} )⋅(−9x ^{-4})\]
Mertsj
  • Mertsj
\[90x ^{-9}y ^{-2}= \frac{90}{x ^{9}y ^{2}}\]

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Mertsj
  • Mertsj
is this the problem you wanted help with?
Mertsj
  • Mertsj
Also is there supposed to be a y after the x^-4?
anonymous
  • anonymous
yes sorry
anonymous
  • anonymous
there is a y after that
Mertsj
  • Mertsj
So then the answer is :\[\frac{90}{x ^{9}y}\]
anonymous
  • anonymous
90x^-1y^-3 90(xy)^-10 10x-^9y^-1 90x^-9y^-1 this are the ansers it gave me
Mertsj
  • Mertsj
Well, the answer I gave you is the same thing. They just wrote theirs with negative exponents. If you move x^9 to the numerator, it will be x^-9. if you move y^1 to the numerator, it will be y^-1

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