Question

$$\frac{(\frac{-1}{2})^{4}\times\frac{625}{16}}{(\frac{5}{2})^{4}\times\frac{1}{16}}$$

Answer

1

Solution


Since the power of 4 is even, the result will be positive.
\[\frac{{(\frac{1}{2})}^{4}\times \frac{625}{16}}{{(\frac{5}{2})}^{4}\times \frac{1}{16}}\]
Use Division Distributive Property: \({(\frac{x}{y})}^{a}=\frac{{x}^{a}}{{y}^{a}}\).
\[\frac{\frac{1}{{2}^{4}}\times \frac{625}{16}}{{(\frac{5}{2})}^{4}\times \frac{1}{16}}\]
Simplify  \({2}^{4}\)  to  \(16\).
\[\frac{\frac{1}{16}\times \frac{625}{16}}{{(\frac{5}{2})}^{4}\times \frac{1}{16}}\]
Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{\frac{1\times 625}{16\times 16}}{{(\frac{5}{2})}^{4}\times \frac{1}{16}}\]
Simplify  \(1\times 625\)  to  \(625\).
\[\frac{\frac{625}{16\times 16}}{{(\frac{5}{2})}^{4}\times \frac{1}{16}}\]
Simplify  \(16\times 16\)  to  \(256\).
\[\frac{\frac{625}{256}}{{(\frac{5}{2})}^{4}\times \frac{1}{16}}\]
Use Division Distributive Property: \({(\frac{x}{y})}^{a}=\frac{{x}^{a}}{{y}^{a}}\).
\[\frac{\frac{625}{256}}{\frac{{5}^{4}}{{2}^{4}}\times \frac{1}{16}}\]
Simplify  \({5}^{4}\)  to  \(625\).
\[\frac{\frac{625}{256}}{\frac{625}{{2}^{4}}\times \frac{1}{16}}\]
Simplify  \({2}^{4}\)  to  \(16\).
\[\frac{\frac{625}{256}}{\frac{625}{16}\times \frac{1}{16}}\]
Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{\frac{625}{256}}{\frac{625\times 1}{16\times 16}}\]
Simplify  \(625\times 1\)  to  \(625\).
\[\frac{\frac{625}{256}}{\frac{625}{16\times 16}}\]
Simplify  \(16\times 16\)  to  \(256\).
\[\frac{\frac{625}{256}}{\frac{625}{256}}\]
Cancel denominators.
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