perplexus.info :: Just Math : 2012 sum Digit

2012 sum Digit (Posted on 2013-04-23)

Find the last digit of the sum
S=1^1+2^2+3^3+4^4.....+2012^2012

No Solution Yet Submitted by Danish Ahmed Khan

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re(2): Grade inflation

Comment 4 of 4 |

(In reply to re: Grade inflation by Jer)

Thanks Jer. Actually, I was wrong about the difficulty. Apologies to all.

The problem I solved in under a minute was

1^2 + 2^2 + 3^2 + ... + 2012^2.

I've got to remember to read the problems more carefully!

Posted by Steve Herman on 2013-04-23 14:03:47

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