Sn=1^8+2^8+3^8+----------n^8
find the unit digit of S29 Select the correct option.
A) 6 B) 5 C) 7 D) 8 E) 9
unit digit of-   1^8=1   2^8=6   3^8=1   4^8=6   5^8=5   6^8=6   7^8=1   8^8=6   9^8=1   so 1+6+1+6+5+6+1+6+1= 
<gadget id="calculator">1+6+1+6+5+6+1+6+1</gadget>
<output>33</output>
33 so from here we get 3 as unit digit for 1^8+2^8+.....+9^8   now for 11 to 19 same way unit digit is 3   then from 21 to 29 unit digit is 3   so 3+3+3= 
<gadget id="calculator">3+3+3</gadget>
<output>9</output>
9   so unit digit is 9   ANSW9R:9
<result>E</result>
Sn=1^8+2^8+3^8+----------n^8
find the unit digit of S29