Question

√15,21 va rog mult!!!!!!!!????

Answer 1

$\sqrt{15,21}=\sqrt{\frac{1521}{100}}=\frac{39}{10}=3,9$

Answer 2

$\sqrt{15,21}= \sqrt{ \frac{1521}{100} }= \frac{ \sqrt{1521} }{ \sqrt{100} }= \frac{39}{10}=3,9$