What is the unit digit of 11223?
Cyclicity of 2 is 4 (i,e. 2, 4, 8 & 6).
So to find last digit of 11223, just divide its power by 4 , by this we will get reminder 3.
When remainder is 3, last digit of 11223 is 3rd case from its cycle i,e. 8.
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