Question

6.If (44)^(21)times(36)^(49)times(21)^(22)=x^(38) where x is any natural number then find the unit digit of x. (a) 2 (b) 8 (c) 2 or 8 both (d) can't be determined​

Answer 1

and is 2or bothhis is nutredh cbgos usidjvhn