Question: Hello.. Need help to how to do it step by step on this problem below. thanks... Below there is a problem involving a permutation, and

Hello.. Need help to how to do it step by step on this problem below. thanks...

Below there is a problem involving a permutation, and one a combination. Identify one of the problems below as either a permutation or combination and answer the question you choose.

1) A race with 20 participants will have medals for 1st, 2nd and 3rd place. How many possible ways can there be these 3 winners?

2) The local deli is looking for 3 employees to make sandwiches at lunch time. If there are 20 applicants how many possible ways can there be 3 new employees?

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