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Mathematics, 20.02.2021 02:30 CourtGard
A security keypad uses five digits (0 to 9) in a specific order. How many different keypad patterns are possible if the first 4 digits must be even and the last digit cannot be zero, one or two? Number of possible codes =
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A security keypad uses five digits (0 to 9) in a specific order. How many different keypad patterns...
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