In how many different ways can coins be arranged on an checkerboard so that no two coins lie in the same row or column?

So it would be ?

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- May 26th 2009, 06:23 PMSamprascoinsIn how many different ways can coins be arranged on an checkerboard so that no two coins lie in the same row or column?

So it would be ?

- May 26th 2009, 06:31 PMSampras
- May 26th 2009, 07:43 PMTiRune
- May 26th 2009, 08:18 PMamitface
To summarize, there are 8 possible positions in the first row, 7 in the second, 6 in the third ...

so 8!