Answer :

iGreen
It wants you to multiply the positive integers that come before it.

5! = 5 * 4 * 3 * 2 * 1
4! = 4 * 3 * 2 * 1

5!4! = 5 * 4 * 3 * 2 * 1 * 4 * 3 * 2 * 1 = 2880
konrad509
[tex]5!4!=1\cdot2\cdot3\cdot2\cdot4\cdot5\cdot1\cdot2\cdot3\cdot4=2880[/tex]

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