Question

You need to select a 5-character password for an account. You may use the digits 0-9 or the lower case letters a-z. You may repeat digits or letters. How many possible passwords are there?

Answer 1

Answer:

36⁵ ways

Step-by-step explanation:

We have 26 alphabets and 10 numeric digits. So in total we have 36 characters. We have 36 ways to fill the first place, 36 ways to fill the second place and so on. Therefore we have total 36⁵ ways.