Simplify the Expression and Write the Answer Without Negative Exponents $\left( \frac { 9 x ^ { - 4 } } { 7 y ^ { - 4 } } \right) ^ { - 3 }$

question 45

Multiple Choice

Simplify the expression and write the answer without negative exponents.
- $\left( \frac { 9 x ^ { - 4 } } { 7 y ^ { - 4 } } \right) ^ { - 3 }$

• A) \(\frac { 729 x ^ { 12 } } { 343 y ^ { 12 } }\)
• B) \(\frac { 343 y ^ { 12 } } { 729 x ^ { 12 } }\)
• C) \(\frac { 343 x ^ { 12 } } { 729 y ^ { 12 } }\)
• D) \(\frac { 729 x ^ { 43 } } { 343 y ^ { 43 } }\)

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