Question

what is the approximate magnitude of 8+4i?

Answer 1

Magnitude of a+bi is \(\large \sqrt{a^2+b^2}\)

so whats the magnitude of 8+4i ?

Answer 2

A new lesson from you @hartnn :D

Answer 3

4√5?

Answer 4

YES.

Answer 5

thanks

Answer 6

and since approximate answer is asked, use a calculator to find the value in decimal

Answer 7

8.94

Answer 8

you are \(\huge \color{red}{\checkmark}\)