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October 21, 2014

October 21, 2014

Posted by **Amaran** on Wednesday, September 23, 2009 at 8:53pm.

- Gr.12 Data Management -
**Reiny**, Wednesday, September 23, 2009 at 9:09pmclearly the first digit must be the 3, so there are only the other 5 digits to arrange.

we have 3 alike of one kind and 2 alike of another,

so the number of ways = 1(5!)/(3!2!) = 10

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