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Simplify Write the Answer Using Positive Exponents Only (2x19y1)3\left( \frac { 2 x ^ { - 1 } } { 9 y ^ { - 1 } } \right) ^ { - 3 }

Question 378

Multiple Choice

Simplify. Write the answer using positive exponents only.
- (2x19y1) 3\left( \frac { 2 x ^ { - 1 } } { 9 y ^ { - 1 } } \right) ^ { - 3 }


A) 729x38y3\frac { 729 x ^ { 3 } } { 8 y ^ { 3 } }
B) 8x3729y3\frac { 8 x ^ { 3 } } { 729 y ^ { 3 } }
C) 729y38x3\frac { 729 y ^ { 3 } } { 8 x ^ { 3 } }
D) 8x13729y13\frac { 8 x ^ { 13 } } { 729 y ^ { 13 } }

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