Answer:
m^20n^4/p^4q^8
Step-by-step explanation:
Given the expression (m^5n/pq^2)4
This can be written as;
(m^5n/pq^2)4
= (m^5)^4n^4/p^4(q^2)^4
= m^20n^4/p^4q^8
Hence the equivalent expression is m^20n^4/p^4q^8