Question

Quantros vale a raiz gudrada de 100

Answer 1

$\sqrt{100}$

Devemos fatorar : 

100    |2
50      |2
25      |5
5        |5
1

2 . 2 . 5 . 5
2² . 5²
10²

$\mathtt{ \sqrt{100} ~~=~~\sqrt{10^2}~~=~~10}$