Mathematics, 15.04.2020 16:57, TheSmartRey

5. Alarm Code Combinations; A security alarm system is activated and deactivated by correctly entering the appropriate three-digit numerical code in the proper sequence on a digital panel. A. Compute the total number of possible code combinations if no digit may be used twice. B. Computer the total number of possible code combinations if digits may be used more than once.

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5. Alarm Code Combinations; A security alarm system is activated and deactivated by correctly enteri...