Question
Kyle purchased a padlock with a resettable combination that uses 3 digits from 0 through 9 that must be entered in the proper Order. A digit may be repeated in the combination. Which expression shows the total number of possible combinations for the padlock?
Asked by: USER2933
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Answer (259)
In the first position we have 10 possible numbers, and the same for the 2nd and 3rd positions becuase the numbers are replaced, so our answer is [tex] 10^3=1000 [/tex] because of the multiplication rule.