e) (2)⁵(2-³)-² (2)⁵(2)⁶ (2)¹¹
-------------- = -------------- = ------- = 2⁰ = 1
2(2⁵)² 2.(2)¹⁰ (2)¹¹
f) 10-⁸ 1² 1
------- = 10-² = ---- ou -----
10-⁶ 10 100
04/07
