I made a mistake when I simplified. Find and explain my mistake. Then complete the problem correctly.

Simplify:(3m^7k^-5)^-3

Solution: 3^-3 m^4 k^-8
m^4/3^3k^8

Answer:m^4/27k^8

3 answers

Are you saying that (3m^(7k)^(-5))^(-3)
is the problem given?
what is 3^3 ?
= 3*3*3
= 27
yes ray