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3 February, 10:37

Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three-digit entry code. How many different combinations are possible, if the digits can be repeated? 27 30 729 1,000

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  1. 3 February, 10:40
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    There are 30 combos for each digit in the code has 10 options and its only a 3 digit code so 10x3=30
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