Question: 2019 22 Diagram 9 shows a four-digit passcode '0131' set by San on his smartphone. Rajah 9 menunjukkan satu kod latuan empor digit '0131' yang

 2019 22 Diagram 9 shows a four-digit passcode '0131' set by

2019 22 Diagram 9 shows a four-digit passcode '0131' set by San on his smartphone. Rajah 9 menunjukkan satu kod latuan empor digit '0131' yang telah ditetapkan oleh San pada telefon pintaruya. 0131 EMERGENCY CALL O Diagram 9 Rajah 9 He wants to reset the passcode such that the new passcode cannot consists of digit I followed by digit 3. How many different passcodes can be formed? [3 marks] Dia hendak menetapkan semula kod laluan dengan keadaan kod laluan baharu itu tidak boleh mengandungi digit 1 diikuti oleh digit 3. Berapakah bilangan kod laluan berbeza yang dapat dibentuk? [3 markah]

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