What is the difference between the largest and the smallest number written with 7, 7, 0, 7?
Choose the correct choice from the following choices
A) 6893
B) 6993
C) 6093
D) 693
E) None
7770   7077   -------------   693   ANSWER:693
<result>D</result>
What is the difference between the largest and the smallest number written with 7, 7, 0, 7?