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13 May, 09:30

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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  1. 13 May, 12:58
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    343

    Step-by-step explanation:

    Repetition allowed so 7 options for all dogs

    7C1 * 7C1 * 7C1 = 343
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