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Mathematics, 28.08.2019 22:00 gabrielmartinsotr4yl

Which of the expressions can you use to find the number of 3-digit passwords you can make using the digits 5, 6, and 7, if you do not repeat any of the digits?
a. 5 x 6 x 7
b. 5 + 6 + 7
c. 3 x 2 x 1
d. 3 + 2 + 1

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