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Mathematics, 09.05.2021 22:00 IDespretlyneedhelp
A combination lock has four wheels in a row. Each wheel has the digits from 0 to 9 on it. How many different combinations are there? (b)How many different combinations are there if we can only use each digit once?
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A combination lock has four wheels in a row. Each wheel has the digits from 0 to 9 on it. How many d...
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