Question

show that 12 to the power n cannot end with the digit 0 or 5 for any natural number N

Answer 1

Answer:

Step-by-step explanation:

12 to the power n cannot end with the digit 0 or 5 because for a number to end with the digit 0 or 5,it should have 2 and 5 both in its prime factorization.

Here 12 to the power n=(2*2*3) to the power n, I. E it contains only 2 and not both 2 and 5 in its prime factorization.