Question

qual a rais quadrada de 196

Answer 1

196 | 2
  98 | 2
  49 | 7
    7 | 7
    1 | 

√196 = √ 2 x 2 x 7 x 7
√196 = √4 x √49
√196 = 2 x 7
√196 = 14

Answer 2

$\texttt{Basta fatorar o 196:}$

196|2
98|2
49|7
7|7
1

$\sqrt{196} = \sqrt{4} * \sqrt{49} = 2*7= \boxed{\texttt{14}}$