Subjects number theory

Count 9 Digit 04Cb56

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1. **State the problem:** We want to find how many 9-digit numbers are less than 3000 and divisible by 9. 2. **Analyze the problem:** A 9-digit number is any number from 100000000 to 999999999. 3. **Check the condition "less than 3000":** The numbers less than 3000 are from 1 to 2999. 4. Since 2999 is much less than the smallest 9-digit number (100000000), there are no 9-digit numbers less than 3000. 5. Therefore, the count of 9-digit numbers less than 3000 and divisible by 9 is 0. **Final answer:** 0