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Mathematics, 21.02.2020 21:32 pog2923

Reginald wants to buy a new collar for each of his 3 dogs. The collars come in a choice of 7 different colors. Step 1 of 2 : How many selections of collars for the 3 dogs are possible if repetitions of colors are allowed?

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Reginald wants to buy a new collar for each of his 3 dogs. The collars come in a choice of 7 differe...
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