college algebra

use only positive exponents in answer

2u^-9 x^-7 y^-4 * 7u^9 * 3y^-1 x

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  1. 2U^-9X^-7Y^-4 * 7U^9 * 3XY^-1.

    42U^0X^-6Y^-5=

    42 / X^6Y^5.

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    posted by Henry

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