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April 16, 2014

Homework Help: Math

Posted by Tia on Saturday, November 20, 2010 at 6:18pm.

Hi Sorry I'm reposting this question, I think the answer that was provided was not correct because of the ambiguity of the original question but if I could have someone workout the question as written it would be much appreciated:

See below discussion.

4x^3y^-2 / 2x^-1y^4

is the answer:

2x^4y^-6 ?



Math - Gray, Saturday, November 20, 2010 at 4:51pm
((4x^3)(y^-2))/((2x^-1)(y^4) The way you typed your equation leaves some ambiguity; I'm assuming this is it. First move the variables with negative exponents to opposite sides of the fraction bar, and make those exponents positive. Then add the exponents and multiply the constants for each side. The answer is (8x^4)/(y^6).



Math - Tia, Saturday, November 20, 2010 at 5:45pm
The way I wrote it is exactly how the book has it. It's all written together without brackets. Very ambiguous I agree but I'm now not sure if the answer you provided is correct.

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