Question

calcule as seguintes expressões. a) 2-¹

b) 3-¹

c) (5/3)-¹

d) (2/4)-²

e) (-2/3)-²

f) (-1/2)-³​

Answer 1

Explicação passo-a-passo:

a) 2-¹= 1/2

b)3-¹= 1/3

c) (5/3)-¹= 3/5

d) (2/4)-²= (4/2)²= 2²= 4

e) (- 2/3)-²= ( - 3/2)²= + 9/4

f) (- 1/2)-³= ( - 2/1)³= (-2)³= - 8