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Mathematics 8 Online
OpenStudy (anonymous):

How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?

OpenStudy (dumbcow):

900 numbers 100 thru 999 i am assuming "001" doesnt count as a 3-digit number

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