When n is divided by 5 the remainder is 3. What is the remainder when n^2 is divided by 5? Choices:	A) 0	B) 1	C) 2	D) 3	E) 4
n = 5x+3, for some integer x   n^2=(5x+3)^2=5y+9, for some integer y   When we divide this by 5, the remainder is 4.   The answer is 4.
<result>E</result>
When n is divided by 5 the remainder is 3. What is the remainder when n^2 is divided by 5?