Question

$$\frac{(25)^{\frac{3}{2}}\times(243)^{\frac{3}{5}}}{(16)^{\frac{5}{4}}\times(8)^{\frac{4}{3}}}$$

Answer

3375/512

Solution


Calculate.
\[\frac{{5}^{3}\times {243}^{\frac{3}{5}}}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Simplify  \({5}^{3}\)  to  \(125\).
\[\frac{125\times {243}^{\frac{3}{5}}}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Rewrite \(243\) as \({3}^{5}\).
\[\frac{125{({3}^{5})}^{\frac{3}{5}}}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Use this rule: \({({x}^{a})}^{b}={x}^{ab}\).
\[\frac{125\times {3}^{\frac{5\times 3}{5}}}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Simplify  \(5\times 3\)  to  \(15\).
\[\frac{125\times {3}^{\frac{15}{5}}}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Simplify  \(\frac{15}{5}\)  to  \(3\).
\[\frac{125\times {3}^{3}}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Simplify  \({3}^{3}\)  to  \(27\).
\[\frac{125\times 27}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Simplify  \(125\times 27\)  to  \(3375\).
\[\frac{3375}{{16}^{\frac{5}{4}}\times {8}^{\frac{4}{3}}}\]
Calculate.
\[\frac{3375}{{2}^{5}\times {8}^{\frac{4}{3}}}\]
Simplify  \({2}^{5}\)  to  \(32\).
\[\frac{3375}{32\times {8}^{\frac{4}{3}}}\]
Calculate.
\[\frac{3375}{32\times {2}^{4}}\]
Simplify  \({2}^{4}\)  to  \(16\).
\[\frac{3375}{32\times 16}\]
Simplify  \(32\times 16\)  to  \(512\).
\[\frac{3375}{512}\]

Decimal Form: 6.591797