Some question: What is the units digit of the expression 14^7−19^4?\nOptions:\n(A)  0\n(B)  3\n(C)  4\n(D)  6\n(E)  8
Some stream of consciousness:
User
I think answer on this one should be E too. Since we know that 14^7>19^4, as Will said one should always check if the number is positiv The answer: (E).
Assistant