Answer:
Option C
Step-by-step explanation:
[tex] { (\frac{ {x}^{4} }{ {7}^{ - 8} } ) }^{ - 7} [/tex]
[tex] = \frac{ {x}^{4( - 7)} }{ {7}^{( - 8)( - 7)} } [/tex]
[tex] = \frac{ {x}^{ - 28} }{ {7}^{56} } [/tex]
[tex] {x}^{ - 28} \times {7}^{ - 56} [/tex]
