apakah jawaban dari soal diatas?

(m^2)^-2 . n^5
--------------------
m^-5 . n^4

= m^-4 . n^5
-----------------
m^-5 . n^4

= m^-4-(-5) . n^5-4

= m^-4+5 . n^1

= m^1 . n^1

= mn

opsi A