问一道OG的data sufficientcy

If the units digit of integer n is greater than 2, what is the units digit of n?

1) The units digit of n is the same as the units digit of n^2

2) The units digit of n is the same as the units digit of n^3

题目没读懂，所以答案也看不懂。units digit是什么意思

谢谢