Question

Calcule as expressões

Answer 1

Explicação passo-a-passo:

a) 2-¹= 1/2

b) 3-²= (1/3)²= 1/9

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