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How many whole numbers between $$1$$ and $$1000$$ do not contain the digit $$1$$? ($2009$ AMC $8$ Problems, Question \#$22$) 
Overseas Competition->Knowledge Point->Counting Modules
One-digit number: $9-1=8$  Two-digit number: $8\times9=72$  Three-digit number: $8\times9\times9=648$  So, there are $8+72+648=728$ numbers that meet the requirements. 