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Benjamin is trying to break a combination lock. This particular type of lock has 5 digits from 0 to 9, and Benjamin just happens to know that there can be no repeated digits in the code for this type of lock. How many valid codes are there?2

 Feb 21, 2020

Best Answer 

 #1
avatar+6196 
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\(\dbinom{10}{5}5! = 30240\)

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 Feb 21, 2020
 #1
avatar+6196 
+2
Best Answer

\(\dbinom{10}{5}5! = 30240\)

Rom Feb 21, 2020
 #2
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K thnx!!!

 Feb 21, 2020

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