Answer: simplified form
56 * y ^13 * z ^10
Explanation:
(7y⁷z)(8y⁶z⁹) =
associate like factors
(7*8 )* y⁷*y⁶ (z * z⁹)
56 * y^(^(7 + 6 ) )* z ^(1 + 9 )
56 * y ^13 * z ^10 is simplest equivalent form
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