Question

1) efetue as operações e simplifique, se for possível: a) √3.√7

Answer 1

$\sqrt{3}* \sqrt{7} \ \textgreater \ \sqrt{3*7} \ \textgreater \ \sqrt{21}$

Answer 2

3•7 = 21
✓21 = 4,58
✓3 • ✓7 = 4,58