Respostas

2014-06-05T10:15:28-03:00
2014-06-05T10:17:21-03:00
2^5 · 2^-6 = 2^5-6 = 2^-1 = (1/2)^-2 = 2^2 = 4
4^-4/4^-6
= 1/4^4/ 1/4^6 inverte a segunda, 4^6/4^4 = 4^6-4 = 4^2 = 16
(5/5^-1)^2
??????
??