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Last Digit (Posted on 2004-01-23) Difficulty: 3 of 5
Find the last digit of summation of the series:
(1)^99 + (2)^99 + (3)^99 + (4)^99 + + (98)^99 + (99)^99

See The Solution Submitted by Ravi Raja    
Rating: 2.4000 (5 votes)

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Some Thoughts re(2): last digit | Comment 18 of 19 |
(In reply to re: last digit by e.g.)

you mean 8 not 3....

2 to any positive integer power ends with an even digit

ady
  Posted by Ady TZIDON on 2004-01-31 13:23:30

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