Question

$$\frac{(5^{-3}\times3^{6})^{\frac{1}{3}}\times4\sqrt{16}}{(125\times729\times64)^{-\frac{1}{3}}}$$

Answer

5184

Solution


Use Negative Power Rule: \({x}^{-a}=\frac{1}{{x}^{a}}\).
\[\frac{\sqrt[3]{\frac{1}{{5}^{3}}\times {3}^{6}}\times 4\sqrt{16}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Simplify  \({5}^{3}\)  to  \(125\).
\[\frac{\sqrt[3]{\frac{1}{125}\times {3}^{6}}\times 4\sqrt{16}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Simplify  \({3}^{6}\)  to  \(729\).
\[\frac{\sqrt[3]{\frac{1}{125}\times 729}\times 4\sqrt{16}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Simplify  \(\frac{1}{125}\times 729\)  to  \(\frac{729}{125}\).
\[\frac{\sqrt[3]{\frac{729}{125}}\times 4\sqrt{16}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Since \(4\times 4=16\), the square root of \(16\) is \(4\).
\[\frac{\sqrt[3]{\frac{729}{125}}\times 4\times 4}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Use Division Distributive Property: \({(\frac{x}{y})}^{a}=\frac{{x}^{a}}{{y}^{a}}\).
\[\frac{\frac{\sqrt[3]{729}}{\sqrt[3]{125}}\times 4\times 4}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Calculate.
\[\frac{\frac{9}{\sqrt[3]{125}}\times 4\times 4}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Calculate.
\[\frac{\frac{9}{5}\times 4\times 4}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{\frac{9\times 4\times 4}{5}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Simplify  \(9\times 4\)  to  \(36\).
\[\frac{\frac{36\times 4}{5}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Simplify  \(36\times 4\)  to  \(144\).
\[\frac{\frac{144}{5}}{{(125\times 729\times 64)}^{-\frac{1}{3}}}\]
Simplify  \(125\times 729\)  to  \(91125\).
\[\frac{\frac{144}{5}}{{(91125\times 64)}^{-\frac{1}{3}}}\]
Simplify  \(91125\times 64\)  to  \(5832000\).
\[\frac{\frac{144}{5}}{{5832000}^{-\frac{1}{3}}}\]
Calculate.
\[\frac{\frac{144}{5}}{{180}^{-1}}\]
Use Negative Power Rule: \({x}^{-a}=\frac{1}{{x}^{a}}\).
\[\frac{\frac{144}{5}}{\frac{1}{180}}\]
Invert and multiply.
\[\frac{144}{5}\times 180\]
Use this rule: \(\frac{a}{b} \times c=\frac{ac}{b}\).
\[\frac{144\times 180}{5}\]
Simplify  \(144\times 180\)  to  \(25920\).
\[\frac{25920}{5}\]
Simplify.
\[5184\]