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A suitcase lock has 4 dials with the digits $0, 1, 2,..., 9$ on each. How many different settings are possible if all four digits have to be different?

 Mar 30, 2020
edited by helpppp  Mar 30, 2020
 #1
avatar+1948 
+1

Take a look at this:

 

https://brainly.com/question/3922553

 Mar 30, 2020

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