How many ways are there to reorder the word MISSISSIPPI? // Choose Formula Example

The number of ways to reorder a word like Mississippi can be a product of the ways to put the Ss in, the Is in, the Ps in and the M in. We use the choose formula for combinations repeatedly because we don’t care about the order of any of the repeated letters.

TYPO: At 3:50 I say 4 choose 2 but there is only 3 spots remaining so it is 3 choose 2.

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