If z is a multiple of 8902, what is the remainder when z^2 is divided by 4?
Pick one:
A) 0
B) 1
C) 2
D) 3
E) It depends on z.
2 is a factor of 8902, so 2 is a factor of z.   Then 2^2 = 4 is a factor of z^2.   Then the remainder when z^2 is divided by 4 is 0.   The answer is 0.
<result>A</result>
If z is a multiple of 8902, what is the remainder when z^2 is divided by 4?