whitegirlkodakk9026 whitegirlkodakk9026

14-12-2017
Mathematics

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A school assigns each student an identification number. the number consists of 3 digits out of 10 possible digits, and no digits are repeated. how many different identification numbers are possible

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dango1534 dango1534

19-12-2017

10-3 = 7 hopefully this helps

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