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

question 240

Multiple Choice

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

• A) \(\frac { 7 } { x ^ { 9 } y ^ { 11 } }\)
• B) \(7 x ^ { 9 } y ^ { 11 }\)
• C) \(\frac { x ^ { 9 } y ^ { 11 } } { 7 }\)

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