what is the unit digit in (4137)^754? Choose the correct choice from the following options
A) 1
B) 3
C) 7
D) 9
E) None of them
Unit digit in (4137)^754=Unit digit in [(4137)^4]^188 x (4137)^2 = (1x9)=9   Answer is 9
<result>D</result>
what is the unit digit in (4137)^754?