Answer :

The equivalent expression to
(4p^-4q)^-2/10pq^-3
=(4^-2p^(-4*-2)q^-2)/(10pq^-3)
=(4^-2p^8q^-2)/(10pq^-3)
=[p^8q^-2/16]/[10pq^-3]
=p^7q/160

Answer: C]p^7q/160

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