Evaluate the absolute value of the complex number |3 + 4i|

The absolute value of a complex number is the distance from 0 to that number on the imaginary plane

|a + bi| = √a^{2}+ b^{2}

|3 + 4i| = √a

|3 + 4i| = √3

|3 + 4i| = √9 + 16

|3 + 4i| = √25

|3 + 4i| = 5