Mathematics, 19.05.2020 03:17 gm2
Sonjia bought a combination lock that opens with a 4-digit number created with the numbers 0 through 9. The same digit cannot be used more than once in the combination. If Sonjia wants the last digit to be 7 and the order of the digits matters, how many ways can the remaining digits be chosen?
Answers: 3
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Sonjia bought a combination lock that opens with a 4-digit number created with the numbers 0 through...
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