All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers
Get the last digit II (Posted on 2011-02-23) Difficulty: 3 of 5
Let A=1^n+2^n+3^n+...9^n

For a positive integer n what is
the last digit of A?

No Solution Yet Submitted by Ady TZIDON    
Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution The digit Comment 4 of 4 |

If n is divisible by 4, then it is 3. Otherwise, it is 5.

 


  Posted by Math Man on 2011-06-16 09:02:15
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information