Respostas

2014-07-06T15:40:21-03:00
0,2·0,2·0,2·0,2·0,2=2^ 5 · 10^ -5 = 2³ 
2 ·10^ -2 · 2·10^ -3  10^ -5 · 2²      
se vc cortar as bases de 10 e simplificar as bases iguais dara 2³
1 4 1