Question

calcule o modulo do número Z=2+2i

Answer 1

Z=2+2i
|Z|=√(2²+2²)
|Z|=√8
|Z|=2√2

Answer 2

$|z|=\sqrt{a^2+b^2}\\\\ |z|=\sqrt{2^2+2^2}\\\\ |z|=\sqrt{4+4}\\\\ |z|=\sqrt{8}\\\\ \boxed{|z|=2\sqrt{2}}$