Question
Asked Jan 11, 2020
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Combination Lock The typical combination lock uses three numbers, each between 0 and 49. Opening the lock requires entry of the three numbers in the correct order. Is the name “combination” lock appropriate? Why or why not?

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Expert Answer

Step 1

There are three selected numbers between 0 and 49 and the numbers are entered in the same order to open the lock and the selected number is repeated.

Combinations:

There are n different items and r ...

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