#1 : Reduce the fraction
(Reduce the fraction with 5 ^ - 4)
[tex] \frac{1}{ {5}^{7} } [/tex]
#2 : Evaluate the power
[tex] \frac{1}{78125} [/tex]
Also know as,
[tex]0.0000128[/tex]
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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey