The Unit digit in `5^100` is

The Unit digit in 4^(5) is

Last digit of 5^100 is……

If S_(n) = (4^n) + 3 , what is the units digit of S_(100) ?

Find the unit digit in the expression : (1!)^(1!) + (2!)^(2!) + (3!)^(3!) + ......................... + (100!)^(100!)

Find the number of 6-digit numbers that can be found using the digits 1, 2, 3, 4, 5, 6 once such that the 6-digit number is divisible by its unit digit. (The unit digit is not 1).

What is the unit digit of 5^(124) xx 124^(5) ?

Find the unit's digit in the sum of the fifth powers of the first 100 natural numbers.0 (b) 2quad (c)5quad (d) 8