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13 July, 14:44

A combination lock uses a 3-digit code. Each digit can be any one of the ten available integers 0-9. How many different combinations are possible?

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  1. 13 July, 14:48
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    1000

    Step-by-step explanation:

    Each value of the first digit can be paired with any value of the second digit, so there are 10*10 = 100 possible pairs of the first two digits. Each of those can be combined with any third digit to give a total of ...

    10*10*10 = 1000

    possible combinations.
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