Evaluate
\frac{625}{161}\approx 3.881987578
Factor
\frac{5 ^ {4}}{7 \cdot 23} = 3\frac{142}{161} = 3.8819875776397517
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\left(\frac{129}{500}-\frac{1}{2500}\right)^{-1}
Expand \frac{0.129}{0.5} by multiplying both numerator and the denominator by 1000.
\left(\frac{161}{625}\right)^{-1}
Subtract \frac{1}{2500} from \frac{129}{500} to get \frac{161}{625}.
\frac{625}{161}
Calculate \frac{161}{625} to the power of -1 and get \frac{625}{161}.
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