Mathematics, 17.03.2020 03:12 Bgreene2377

Suppose that a "code" consists of 3 digits, none of which is repeated. (A digit is one of the 10 numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.) How many codes are possible?

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Suppose that a "code" consists of 3 digits, none of which is repeated. (A digit is one of the 10 num...