Question

raiz quadrada 7 128

Answer 1

$\sqrt{7128}= \sqrt{2^3.2.3^2.3^2.11}= 2.3.3 \sqrt{2.11}=18 \sqrt{22}$

Se for para continuar:
√22 = 4,69
18√22= 18 . 4,69 = 84,42