Respuesta :

devishri1977

Answer:

c

Step-by-step explanation:

[tex](a^{m})^{n} = a^{m*n}\\\\\frac{1}{a^{m}}=a^{-m}[/tex]

[tex](\frac{x^{4}}{7^{-8}})^{-7} = \frac{x^{4*(-7)}}{7^{-8 * (-7)}}\\\\=\frac{x^{-28}}{7^{56}}\\\\= x^{-28}*7^{-56}[/tex]

Prodigy36947

Answer:

C

Step-by-step explanation: