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27 February, 17:45

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. 27 February, 19:31
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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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