Answer:
Option C. [tex]6.3[/tex]
Step-by-step explanation:
we know that
To find the modulus of a complex number, apply the Pythagoras theorem
Let
c-----> the modulus
[tex]c=\sqrt{(-2)^{2}+(-6)^{2}}[/tex]
[tex]c=\sqrt{4+36}[/tex]
[tex]c=\sqrt{40}=6.3[/tex]
