Question

1/2 elevado a -3 + 1/2 elevado á -5

Answer 1

Olá, Nathyzinhalage!

$\frac{1}{2}^{-3} + \frac{1}{2}^{-5} = \frac{2}{1}^3 + \frac{2}{2}^5 = 2^3 + 2^5 = 8 + 32 = \boxed{40}}$

Answer 2

1  ⁻³ = 2 .2 . 2  = 8 = 8
2        1  1  1     1
 
1 ⁻⁵ =2 . 2 . 2 . 2 . 2  = 32 =32
2      1   1    1   1   1     1
 
8+32=40
Bons estudos!