Discover answers to your questions with Westonci.ca, the leading Q&A platform that connects you with knowledgeable experts. Ask your questions and receive detailed answers from professionals with extensive experience in various fields. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

A lock is using 3 digits from 1 to 7 as its lock combination, the numbers can be repeated. How many different possible lock combinations are there?

Sagot :

The question is an illustration of selection (or combination)

The number of lock combination is 343

The given parameters are:

[tex]n = 7[/tex] --- the number of digits to select from

[tex]r = 3[/tex] --- the number of digits the lock uses

Because the digits can be repeated, the number of lock combinations is:

[tex]Lock = n^r[/tex]

So, we have:

[tex]Lock = 7^3[/tex]

[tex]Lock = 343[/tex]

Hence, the number of lock combination is 343

Read more about combinations at:

https://brainly.com/question/15301090