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[tex] = ( {5}^{ - 4} )^{ \frac{1}{5} } \\ = ( {5}^{ - \frac{4}{5} } ) \\ = \frac{1}{ {5}^{ \frac{4}{5} } } \\ = \frac{1}{ \sqrt[5]{ {5}^{4} } } \\ = \sqrt[5]{ \frac{1}{625} } [/tex]
Jawaban B