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21 December, 15:36

On a bike lock there are three tumblers where the digits 0, 1, 2, ..., 9 appear on each tumbler. A lock is going to be a three digit code (where numbers can be repeated). Find the number of possible codes for the lock.

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  1. 21 December, 17:24
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    Answer: 1000

    Step-by-step explanation:

    The number of combinations is equal to the product of the number of options for each tumbler.

    Each tumbler has 10 possible numbers, and we have 3 tumblers, then the number of combinations is:

    C = 10*10*10 = 10^3 = 1000

    We have 1000 possible codes for the lock.
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