What is the unit digit in(7^95 - 3^58)?
Choose the correct answer.
A) 6  B) 4  C) 7  D) 9  E) 10
Explanation:   Unit digit in 7^95 = Unit digit in [(7^4)23 x 73]   = Unit digit in [(Unit digit in(2401))23 x (343)]   = Unit digit in (123 x 343)   = Unit digit in (343)   = 3   Unit digit in 3^58 = Unit digit in [(3^4)14 x 32]   = Unit digit in [Unit digit in (81)14 x 32]   = Unit digit in [(1)14 x 32]   = Unit digit in (1 x 9)   = Unit digit in (9)   = 9   Unit digit in (795 - 358) = Unit digit in (343 - 9) = Unit digit in (334) = 4.   4
<result>B</result>
What is the unit digit in(7^95 - 3^58)?