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20 December, 23:26

As part of an activity during math class, Kiera has to select a secret number containing 3 different digits from 1 to 4. How many different secret numbers can Kiera create?

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  1. 20 December, 23:37
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    24.

    Step-by-step explanation:

    The is the number of permutations of 3 digits from 4

    = 4P3

    = 4! / (4 - 3) !

    = 4 * 3 * 2 * 1 / 1!

    = 24/1

    = 24.
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