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Mathematics 15 Online
OpenStudy (anonymous):

QUICK QUESTION How many permutations can you make with the letters in ANGLE?

Directrix (directrix):

There are 5 distinct letters in ANGLE. For the permutations, order matters. So, ANGEL counts as a different word from ANGLE. There are 5 choices for the first letter. After you choose one, there are 4 choices for the second letter. And, on down until you have 1 choice for the last letter. So, multiply 5 times 4 times 3 times 2 times times 1, and you will have the number of 5-letter "words" you can make from the letters of the word ANGLE. @hannaolsonnn

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