Register
Hans is choosing a 2- letter password from the letters A, B, C, D, and E. The password cannot have the same letter repeated in it. How many such passwords are possible?
189k views
5 votes
Hans is choosing a 2- letter password from the letters A, B, C, D, and E. The password cannot have the same letter repeated in it. How many such passwords are possible?

User Va Visal
by
5.9k points

2 Answers

0 votes
25 passwords possible
User Corycorycory
by
6.6k points
4 votes
there are 5 letters

there are 5 possibilities for the first letter, and 4 possibilities for the second letter after the first letter is used up

so 5 * 4 = 20 possibilities
User Wakana
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.2m questions

9.6m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
Please solve the following equation. x-6x=56
whats the most accurate estimation of 65+77
Find the additive inverse of 18/23
What is 25% of 500.00
Link Copied!