Question

check wheather
$12 ^{n}$
can end with the digit 0 or 5 for any natural numbers n

Answer 1

Hey dear!

Here is yr answer.....

=> 12

Here, unit digit is 2

So, 12^n ends with ---

2 , 4, 8 , 6.

Here, the unit digit of 12^n

2 / 4 / 6 / 8

Bt, it never be 0!

Therefore, the 12^n never ends with 0 or 5

Hope it hlpz....