Question:

I need help with home work.?

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I can't figure out how to do these questions

7P4

7C4

5P3

and I need to know if the value of 6! is 720

and if the value of 3! is 6

just to make sure I'm correct

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  1. okay p stands for permutations

    c stands for combinations

    7p4 is 840

    7c4 is 28, I believe

    5p3 is 60

    6! is 720

    3! is 6

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