Question

Qual e a raíz quadrada de 900 ?

Answer 1

$\sqrt{900} = 30$

Answer 2

$\Large\boxed{\begin{array}{l} \begin{array}{r|l}\sf900&\sf2\\\sf450&\sf2\\\sf225&\sf3\\\sf75&\sf3\\\sf25&\sf5\\\sf5&\sf5\\\sf1\end{array}\\\sf\sqrt{900}=\sqrt{2^2\cdot3^2\cdot5^2}\\\sf\sqrt{900}=2\cdot3\cdot5\\\sf\sqrt{900}=30\end{array}}$