Question

5.√3 . √7 = me ajudem por favor

Answer 1

Resposta:

$5 \sqrt{3}. \sqrt{7}$

$\sqrt{3.5 {}^{2} }. \ \sqrt{7}$

$\sqrt{3.25}. \sqrt{7}$

$\sqrt{75}. \sqrt{7}$

$\sqrt{75.7}$

$\sqrt{525}$

$\sqrt{5.5.21}$

$\sqrt{5 {}^{2}.21 }$

$5 \sqrt{21}$

espero ter ajudado ; )