Questions on Algebra: Exponents and operations on exponents answered by real tutors!

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Question 170198: Simplfy (21x^-4y^-3)/(12x^4y^-2)
I came up with 7/(4x^8y) but am not sure if that is right
Thanks: Simplfy (21x^-4y^-3)/(12x^4y^-2)
I came up with 7/(4x^8y) but am not sure if that is right
Thanks
Answer by checkley77(3848) About Me  (Show Source):
You can put this solution on YOUR website!
Looks OK to me.