Question

what is the last digit of 5^2020​

Answer 1

Answer:

. 5^6=78125 you will observe that any number will have 25 as the last two digits. And the pattern will repeat till 5^100. Hence the last two digit will be 25.

Answer 2

Answer:

5^6=78125 you will observe that any number will have 25 as the last two digits. And the pattern will repeat till 5^100. Hence the last two digit will be 25.