Jawapan

  • Pengguna Brainly
2016-02-08T15:46:32+08:00
[(3m)(n^2)]^3 X (n^2)^4 / (m^4)(n^9) 
= 9m^3 n^6 x n^8 / m^4 n^9
= 9m^-1 n^5
= n^5 / 9m
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