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A Store-It-All storage facility requires users to enter a four digit code, using numbers 0-9, to get through the gate. How many possible codes are there if the digits cannot be repeated?
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38 votes
A Store-It-All storage facility requires users to enter a four digit code, using numbers 0-9, to get through the gate. How many possible codes are there if the digits cannot be repeated?

User Mhadidg
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1 Answer

19 votes
19 votes

Answer:

5040

Explanation:

10 x 9 x 8 x 7 = 5040

User Timur Shtatland
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2.8k points
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