Respostas

2013-06-15T20:45:07-03:00

2^n → 2, 4, 8, 16, 32 
5^n → 5, 25, 125, 625, 3125

2^5 = 32 → x=3 → n=5
5^5 = 3125 → x=3 → n=5

Logo,
x+n = 3+5 = 8

1 5 1