Question

check weather 7^n can end with the digit 0 for any natural number n

Answer 1

Answer:

Step-by-step explanation:

As we know that prime factorization of 7 is 7^n*1^m but we know that the digit which end with zero their prime factorization should be in the form of 2^n*5^m .So,we can say that 7^n can never ends with zero.