Question

Calcule o valor de cada expressao:
A) (3/4) elevado a 2.(-2) elevado a3 +(1/2) elevado a 1

B) (1/2) elevado a 2+ (1/3) elevado a menos 1

Answer 1

A) (3/4)'' . (-2)''' +(1/2)'
(9/16) . (-8) (+1/2)
(-72/16) (+1/2)
-72+8/16 = -64/16 = -4

B) (1/2)'' + (1/3)-'
(1/4) + (3/1)'
1/4 + 3/1
1+2/4 = 13/4