If you have 11 books on your bookshelf, how many ways are there to arrange them (permutations)?
Consider using the spoiler function in your answer like this…
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11!
You are welcome to read that as the correct answer of “11 factorial” or as an enthusiastic albeit wrong “ELEVEN!”
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What’s that if you expand it out?
(p.s. I like the latter option!)
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11! = 11 * 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 39,916,800
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