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Mathematics 9 Online
OpenStudy (anonymous):

please help Which of the following expressions is not equal to 81x^3y^5 ? A.)3^2xy^2 3^2x^2^3 B.)3xy(27xy)xy^3 C.) 3^3x^3 3^2 y^5 D.) 3^4 x^5 y^2 x^-2 y^3

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