Question

Qual o de √675 + √512, considerando √3 = 1,73 e √2 = 1,41?

a) 28,43

b) 31,43

c) 35,78

d) 45,99

e) 48,51​

Answer 1

Resposta:

E) 48,51

Explicação passo-a-passo:

$\sqrt{675 = } 3 \times 5 \times \sqrt{3} \\ 15 \times 1.73 = 25.95$

$\sqrt{512} = {2}^{4} \times \sqrt{2} \\ 16 \times 1.41 = 22.56$

25,95+22,56=48,51