Question

3 elevado a -1 + 2/3
7 elevado a -2 vezes 49
6 elevado a -2 + 35/36

Answer 1

3-¹ = 1/3

7-² = 1/7² = 1/49

6-² = 1/6² = 1/36


a) 1/3 + 2/3 = 3/3 = 1

b) 1/49 . 49 = 49/49 = 1

c) 1/36 + 35/36 = 36/36 = 1