Find Unit digit of(7^71*6^59*3^65)
Choose the correct choice from the following answers:
A) 18
B) 55
C) 66
D) 4
E) 22
Explanation:   Unit digit of 7^71 is 3   Unit digit of 6^59 is 6   Unit digit of 3^65 is 3   Unit digit of(7^71*6^59*3^65)=(3*6*3)=4.   4
<result>D</result>
Find Unit digit of(7^71*6^59*3^65)