\( \frac { 27 ^ { - \frac { 1 } { 3 } } \times 625 ^ { \overline { 4 } } } { \sqrt[ 5 ] { 243 } \times \sqrt[ 3 ] { 125 } } = \)
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To solve the expression \( \frac { 27 ^ { - \frac { 1 } { 3 } } \times 625 ^ { \overline { 4 } } } { \sqrt[ 5 ] { 243 } \times \sqrt[ 3 ] { 125 } } \), let's break it down step-by-step. First, calculate each part: 1. \( 27^{- \frac{1}{3}} = (3^3)^{-\frac{1}{3}} = 3^{-1} = \frac{1}{3} \). 2. \( 625^{4} = (5^4)^4 = 5^{16} \). Now, combining these gives: \[ 27^{- \frac{1}{3}} \times 625^{4} = \frac{1}{3} \times 5^{16} = \frac{5^{16}}{3}. \] Next, we calculate the denominator: 1. \( \sqrt[5]{243} = \sqrt[5]{3^5} = 3 \). 2. \( \sqrt[3]{125} = \sqrt[3]{5^3} = 5 \). Now, multiplying these: \[ \sqrt[5]{243} \times \sqrt[3]{125} = 3 \times 5 = 15. \] So, the original expression simplifies to: \[ \frac{\frac{5^{16}}{3}}{15} = \frac{5^{16}}{3 \times 15} = \frac{5^{16}}{45}. \] The final answer is: \[ \frac{5^{16}}{45}. \]