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Find the Indicated Quotients (28x−2y−34x7y8)−1\left( \frac { 28 x ^ { - 2 } y ^ { - 3 } } { 4 x ^ { 7 } y ^ { 8 } } \right) ^ { - 1 }

Question 240

Multiple Choice

Find the indicated quotients. Express final results using positive integral exponents only. (28x−2y−34x7y8) −1\left( \frac { 28 x ^ { - 2 } y ^ { - 3 } } { 4 x ^ { 7 } y ^ { 8 } } \right) ^ { - 1 }


A) 7x9y11\frac { 7 } { x ^ { 9 } y ^ { 11 } }
B) 7x9y117 x ^ { 9 } y ^ { 11 }
C) x9y117\frac { x ^ { 9 } y ^ { 11 } } { 7 }

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