What is the unit digit in (4137)^754? Choose the correct choice from the following
A) 12 B) 48 C) 57 D) 96 E) 9
9xplanation:   Unit digit in (4137)754 = Unit digit in {[(4137)4]188 x (4137)2}   =Unit digit in { 292915317923361 x 17114769 }   = (1 x 9) = 9   Answer 9
<result>E</result>
What is the unit digit in (4137)^754?