In the following subtraction problem, the same letters represent the same digits, and different letters represent different digits. If D = 0, C = 1 and E = 7, what digit does the letter A represent. ABCD - ABC = ADEF. State your answer and explain your thinking. I am very confused and need help. Anything would help. Thanks :)

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent