Explain why the formula is the correct one to use

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a. There are six contestants in a race. The winner receives a gold medal, second place a silver medal and third place a bronze medal. How many ways can these three medals be awarded among the six contestants? If you use a formula to answer this question, explain why the formula is the correct one to use.

b. Suppose I have three, identical copper medals. How many ways can I give a copper medal to six people? If you use a formula to answer this question, explain why the formula is the correct one to use.

Reference no: EM132851148

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