perplexus.info :: Just Math : Sum Power Digit Determination

Sum Power Digit Determination (Posted on 2014-07-12)

Determine the last digit of:

1² + 2³ + 3⁴ + 4⁵ + .......+ 2014²⁰¹⁵

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: Shortcut solution erratum

Comment 4 of 4 |

(In reply to Shortcut solution by Jer)

Your one-before-last sentence is WRONG , both grammatically (above,are,are,) and mathematically (15 terms instead of 14, first zero redundant).

Please edit,

Both the method and the result are ok.

Posted by Ady TZIDON on 2014-07-13 10:20:08

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