Question

raiz quadrada de 169

Answer 1

decompor 169 em fatores primos:

169/13
13. /13
1

169 = 13^2

√169= √13^2 = 13

Answer 2

$\begin{array}{c|c}\sf169&\sf13\\\sf13&\sf13\\\sf1\end{array}$

$\sf \sqrt{169}=\sqrt{13^2}$

$\boxed{\boxed{\sf\sqrt{169}=13}}$