Math
posted by Nora Escobedo .
Which expression eqivalent to 27x^2y^6/3x^5y^2z^9?

Learn to add/subtract exponents:
27x^2y^6/3x^5y^2z^9
= 27/3 * x^(25) y^(62) z^(09)
= 9 x^7 y^4 z^9
= 9y^4/(x^7 z^9)
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