A combination lock has 6 different numbers. You can use any number 0 - 9 in the combination, but each number can only be used ONCE. How many different combinations are possible?

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asked Jan 28, 2017 77.7k views

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A combination lock has 6 different numbers. You can use any number 0 - 9 in the combination, but each number can only be used ONCE. How many different combinations are possible?

Mathematics
high-school

Valenterry asked

by Valenterry

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1 Answer

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There are 151,200 possible combinations. If you'd like an explanation of my answer, please let me know.

Sated answered Feb 1, 2017

by Sated

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