Question

numarul radical din 0,9 scris cu doua zecimale este..

Answer 1

$\sqrt{0.9} = \sqrt{ \frac{9}{10} } = \frac{ \sqrt{9} }{ \sqrt{10} } = \frac{3}{ \sqrt{10} } = \frac{3 \sqrt{10} }{10}$

$= \frac{3 \times 3.16}{10} = \frac{9.48}{10} = 0.94$