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\frac{625}{2401}\times \left(\frac{-7}{5}\right)^{4}
Calculate -\frac{5}{7} to the power of 4 and get \frac{625}{2401}.
\frac{625}{2401}\left(-\frac{7}{5}\right)^{4}
Fraction \frac{-7}{5} can be rewritten as -\frac{7}{5} by extracting the negative sign.
\frac{625}{2401}\times \frac{2401}{625}
Calculate -\frac{7}{5} to the power of 4 and get \frac{2401}{625}.
1
Multiply \frac{625}{2401} and \frac{2401}{625} to get 1.
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