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July 26, 2014

Posted by **vaNI** on Tuesday, June 1, 2010 at 2:52pm.

7814 1487 2103 2772

The last part of the telephone number can start with any digit apart from zero.

The other three digits can be any number. How many four digit numbers are there?

- MATH -
**Jen**, Tuesday, June 1, 2010 at 9:57pm10x10x10x9=?

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