Question

$$\frac{2^{2}}{8}+\sqrt[3]{\frac{8}{27}\times8\times2^{3}}$$

Answer

$$1/2+3^(27/512)$$

Solution


Simplify  \({2}^{3}\)  to  \(8\).
\[\frac{{2}^{2}}{8}+\sqrt[\frac{8}{27}\times 8\times 8]{3}\]
Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{{2}^{2}}{8}+\sqrt[\frac{8\times 8\times 8}{27}]{3}\]
Simplify  \(8\times 8\)  to  \(64\).
\[\frac{{2}^{2}}{8}+\sqrt[\frac{64\times 8}{27}]{3}\]
Simplify  \(64\times 8\)  to  \(512\).
\[\frac{{2}^{2}}{8}+\sqrt[\frac{512}{27}]{3}\]
Invert and multiply.
\[\frac{{2}^{2}}{8}+{3}^{\frac{27}{512}}\]
Simplify  \({2}^{2}\)  to  \(4\).
\[\frac{4}{8}+{3}^{\frac{27}{512}}\]
Simplify  \(\frac{4}{8}\)  to  \(\frac{1}{2}\).
\[\frac{1}{2}+{3}^{\frac{27}{512}}\]

Decimal Form: 1.559646