Best Answer

In order to make the number as big as possible, you would want the greatest value digits in the greatest place value. Thus the first number would have to be 9. Once 9 has been used, the second number would have to be 8. Then the third number would have to be 7 and so on. Therefore, the greatest 9 digit number with 9 different digits is 987,654,321.

Q: What is the greatest 9 digit number you can make that uses 9 different digits?

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9,999,876 is the greatest seven-digit number using four different digits.

greatest number9999987

98

987654

3201

Related questions

9,999,876 is the greatest seven-digit number using four different digits.

greatest number9999987

9,876,543 is.

987654

98

3201

The greatest 4-digit number with no repeated digits is... 9876

That would be 99987.

999987

9876 and 1234

99,999,876

99,999,987