Question

Calcule o valor das expressões

A) (-3)⁴ - 5² =

B) 3⁻² + 3⁻³

C) 3⁻³ . 3⁻² . 2⁵ =

D) -3² + 5⁻¹
-------------- =
2² - 3⁻²

Answer 1

a)81-25=56
b)0,148148148
c)0,131/3,88=0,033