Posted by **Jacob** on Friday, April 5, 2013 at 12:01am.

How many three digit numbers have three distinct digits?

- Geometry -
**Anonymous**, Friday, April 5, 2013 at 12:03am
1st digit: 9 choices

2nd digit: 9 choices

3rd digit: 8 choices

so, 9*9*8

- Geometry -
**Jacob**, Friday, April 5, 2013 at 12:11am
Actually not because the problem is asking for 3 digits such as 100

- Geometry -
**Jacob**, Friday, April 5, 2013 at 12:13am
Sorry made a mistake you are right

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