What is the units digit of 2^2012?
i believe it is 5
Behave yourself or you will be banned from the forum.
So every 5th one ends in 2
so 2^2010 ends in 2
so 2^2012 must end in .. and you can finish it.
Turns out that the Microsoft scientific calculator is a powerful tool. You can calculate 2^2012, then use mod 10 on it to get the answer of:
nope not going to tell you Try it!