Correct answers only !
a student number system for a county requires that the student number...
Mathematics, 06.09.2019 21:20 shariaharper
Correct answers only !
a student number system for a county requires that the student number be 5 characters. the first 3 characters are any single digit number, but no number can repeat and the last 2 characters must be letters, but no letter can repeat. how many unique student numbers are possible?
a. 1,370
b. 131,040
c. 250,000
d. 468,000
Answers: 2
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