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Mathematics 18 Online
OpenStudy (anonymous):

4! = A. 24 B. 16 C. 120 D. None of the above Okay I'm sure I might be able to solve this myself, but I need to know what the ! next to the 4 means. Is it multiplying it by how much?

OpenStudy (anonymous):

A

OpenStudy (anonymous):

4 * 3 * 2 * 1 = 24

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