Homework Help: HSPA Prep

Posted by Anonymous on Saturday, March 3, 2012 at 10:08pm.

Marybeth is trying to remember her 4-letter password. All she remembers is that no two letters in her password are the same. How many different permutations are there if the combination of letters does not have to be an actual word?

math - permutations - Ms. Sue, Saturday, March 3, 2012 at 10:10pm
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probability - drwls, Saturday, March 3, 2012 at 10:13pm
The number of different permutations is 26*25*24*23 = 358,800

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