Jawapan

  • Pengguna Brainly
2016-02-05T15:16:26+08:00
5^9 / 5^(m-3) =625 
5^9 - m + 3 = 5^4
9 - m + 3 = 4
m = 9 + 3 - 4
m = 8
1 5 1