Problems(1)
An ATM password at Fred's Bank is composed of four digits from 0 to 9, with repeated digits allowable. If no password may begin with the sequence 9,1,1, then how many passwords are possible?(A)\mbox{ }30\qquad(B)\mbox{ }7290\qquad(C)\mbox{ }9000\qquad(D)\mbox{ }9990\qquad(E)\mbox{ }9999 AMC 82016 AMC 8