Answer:
C.
x^8 / y^28 z^20
Step-by-step explanation:
Answer: c
= [tex](\frac{y^{7} z^{5} }{x^{2} } )^{-4}[/tex]
[tex]= (\frac{x^{2} }{y^{7} z^{5} } )^{4}[/tex]
[tex]= \frac{x^{8} }{y^{28} z^{20} }[/tex]
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