Simplify the expression. Write your answer with positive exponents only. $$\left( \frac { 2 x ^ { - 4 } y ^ { 5 } } { 5 x ^ { 4 } y ^ { - 7 } } \right) ^ { - 3 }$$

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The Answer of Simplify the expression. Write your answer with positive exponents only. $$\left( \frac { 2 x ^ { - 4 } y ^ { 5 } } { 5 x ^ { 4 } y ^ { - 7 } } \right) ^ { - 3 }$$

Simplify the Expression (2x−4y55x4y−7)−3\left( \frac { 2 x ^ { - 4 } y ^ { 5 } } { 5 x ^ { 4 } y ^ { - 7 } } \right) ^ { - 3 }(5x4y−72x−4y5​)−3

Simplify the Expression $\left( \frac { 2 x ^ { - 4 } y ^ { 5 } } { 5 x ^ { 4 } y ^ { - 7 } } \right) ^ { - 3 }$