URGENT PLEASE HELP How many 4-letter passords can be made using the letters A thought Z if... a) Repetition of letters is allowed? b) Repetition of letters is not allowed?

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Jul 11, 2020 630 views

2 votes

URGENT PLEASE HELP

How many 4-letter passords can be made using the letters A thought Z if...
a) Repetition of letters is allowed?

b) Repetition of letters is not allowed?

Mathematics
middle-school

OldCurmudgeon asked

by OldCurmudgeon

4.8k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3 votes

a) The answer will be 456976 because you multiply 26 and 4.

b) The answer will be 358800 bacause you multiply 26*25*24*23

ItechDroid answered Jul 16, 2020

by ItechDroid

4.6k points

0 Comments

Please log in or register to add a comment.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions