Question

$$\sqrt{ \frac{ { 216 }^{ \frac{ 2 }{ 3 } } { \left( { \times }^{ 125 } \right) }^{ 2 } }{ { 0.04 }^{ -3 } } }$$

Answer

$$sqrt((36*^62500)/(1/(6.4*10^-5)))$$

Solution


Remove parentheses.
\[\sqrt{\frac{{216}^{\frac{2}{3}}{({}^{125})}^{2}}{{0.04}^{-3}}}\]
Use Multiplication Distributive Property: \({(xy)}^{a}={x}^{a}{y}^{a}\).
\[\sqrt{\frac{{216}^{\frac{2}{3}}{({}^{125}{}^{125})}^{2}}{{0.04}^{-3}}}\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[\sqrt{\frac{{216}^{\frac{2}{3}}{}^{{250}^{2}}}{{0.04}^{-3}}}\]
Rewrite \(216\) as \({6}^{3}\).
\[\sqrt{\frac{{({6}^{3})}^{\frac{2}{3}}{}^{{250}^{2}}}{{0.04}^{-3}}}\]
Use this rule: \({({x}^{a})}^{b}={x}^{ab}\).
\[\sqrt{\frac{{6}^{\frac{3\times 2}{3}}{}^{{250}^{2}}}{{0.04}^{-3}}}\]
Simplify  \(3\times 2\)  to  \(6\).
\[\sqrt{\frac{{6}^{\frac{6}{3}}{}^{{250}^{2}}}{{0.04}^{-3}}}\]
Simplify  \(\frac{6}{3}\)  to  \(2\).
\[\sqrt{\frac{{6}^{2}{}^{{250}^{2}}}{{0.04}^{-3}}}\]
Simplify  \({6}^{2}\)  to  \(36\).
\[\sqrt{\frac{36{}^{{250}^{2}}}{{0.04}^{-3}}}\]
Simplify  \({250}^{2}\)  to  \(62500\).
\[\sqrt{\frac{36{}^{62500}}{{0.04}^{-3}}}\]
Use Negative Power Rule: \({x}^{-a}=\frac{1}{{x}^{a}}\).
\[\sqrt{\frac{36{}^{62500}}{\frac{1}{{0.04}^{3}}}}\]
Simplify  \({0.04}^{3}\)  to  \(6.4\times {10}^{-5}\).
\[\sqrt{\frac{36{}^{62500}}{\frac{1}{6.4\times {10}^{-5}}}}\]
Use Negative Power Rule: \({x}^{-a}=\frac{1}{{x}^{a}}\).
\[\sqrt{\frac{36{}^{62500}}{\frac{1}{6.4\times \frac{1}{{10}^{5}}}}}\]
Simplify  \({10}^{5}\)  to  \(100000\).
\[\sqrt{\frac{36{}^{62500}}{\frac{1}{6.4\times \frac{1}{100000}}}}\]
Simplify  \(6.4\times \frac{1}{100000}\)  to  \(6.4\times {10}^{-5}\).
\[\sqrt{\frac{36{}^{62500}}{\frac{1}{6.4\times {10}^{-5}}}}\]