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Mathematics 7 Online
OpenStudy (anonymous):

Can someone please explain the answer to this question for me?? simplify the rational expression 2a^3b^3c^7 / 8a^4b^2c it is a fraction and the ^ symbol means to the power of please help! :)

OpenStudy (anonymous):

If you have x^3/x^4, you can subtract exponents (numerator from denominator) and get x^-1 = 1 / x^1 Doing this to your expression yields (a^7 b^5 c^8) / 4

OpenStudy (anonymous):

\[b*c^6/4/a\]

OpenStudy (anonymous):

I assume that (8a^4b^2c) is all in the denominator

OpenStudy (anonymous):

Oh, if that is the case, then it is equal to (b c^6) / (4a)

OpenStudy (anonymous):

Hello that answer is correct but how did you simplify the powers?

OpenStudy (anonymous):

I'm not sure how to arrive at that answer

OpenStudy (anonymous):

when doing division, you subtract exponents

OpenStudy (anonymous):

If the result is positive, then keep the exponent on the numerator, otherwise, put it in the denominator

OpenStudy (anonymous):

OH! it's like a lightbulb went off. you fully answered my question I thank all of you so much!

OpenStudy (anonymous):

hey blairvelvet u want to see it is help you tonight

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