Question
A security system uses a four-letter password, but no letter can be used more than once. How many possible passwords are there if 24 of
A security system uses a four-letter password, but no letter can be used more than once. How many possible passwords are there if 24 of the letters of the alphabet can be used by the system?(Use these numbers for this question only!)
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Algebra And Trigonometry Enhanced With Graphing Utilities (Subscription)
Authors: Michael Sullivan, Michael Sullivan III
7th Edition
0134273842, 9780134273846
