Evaluate the absolute value of the complex number |5 + 3i|

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}

|5 + 3i| = √a

|5 + 3i| = √5

|5 + 3i| = √25 + 9

|5 + 3i| = √34

|5 + 3i| = 5.3