2016 AMC 8 Problems/Problem 17

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17. 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? $(A)\mbox{ }30\mbox{           }(B)\mbox{ }7290\mbox{           }(C)\mbox{ }9000\mbox{           }(D)\mbox{ }9990\mbox{           }(E)\mbox{ }9999\mbox{           }$

2016 AMC 8 (ProblemsAnswer KeyResources)
Preceded by
Problem 16
Followed by
Problem 18
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