What is the units digit of the expression 14^7−16^4?\nOptions:\n(A)  0\n(B)  3\n(C)  8\n(D)  6\n(E)  4 Stream of consciousness:
User
I think answer on this one should be C too. Since we know that 14^7>16^4, as Will said one should always check if the number is positive.
Thus, the answer is (C).
Assistant