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March 6, 2015

March 6, 2015

Posted by **Linda Delorme** on Sunday, November 4, 2007 at 12:31pm.

- math -
**PsyDAG**, Sunday, November 4, 2007 at 12:52pmIn both cases, the zeros are constant. The first number can vary 1-9 (since 00x or 000x are not numbers), while the last number can vary from 0-9. Thus there are 9 possibilities for the first number and 10 for the last.

You should be able to take it from here.

I hope this helps. Thanks for asking.

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