Question

N = n! where n is natural number. The unit's digit of N can't be
(a) 2 (b) 6 (c) 5 (d) 0
??? plz solve this quiz​

Answer 1

Step-by-step explanation:

answer is 5

1! =1

2! = 1×2 =2

3!= 1×2×3= 6

5! = 1×2×3×4×5= 120

n! unit digit cant be odd except 1

#666