Helloe! How do I work out how many possible combinations I could get from any 5 numbers, e.g. 1, 2, 3, 4, 5 E.g. 12345 21345 23145 23415 23451 etc
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Originally Posted by Sweeties Helloe! How do I work out how many possible combinations I could get from any 5 numbers, e.g. 1, 2, 3, 4, 5 E.g. 12345 21345 23145 23415 23451 etc $\displaystyle _5P_5=\frac{5!}{(5-5)!}=120$
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