Question

there are 8 horses in a race I must pick the finish top 4 in any order how many permutations are there?
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Answer 1

8 * 7 * 6 * 5 = 1680

If order is not important, it's combinations, which is the above, divided by 4!, or 70.

Answer 2

thank you so much I've been out of school for many years and have forgotten alot

Answer 3

No problem. You can google permutation and combination calculator, for detailed answers and methods. The formula for nPr is n!/(n-r)!, and for nCr is n!/r!*(n-r)!