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An entry code into a building is a 5-digit number. The number of different codes can be counted using a. permutations b. combinations
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An entry code into a building is a 5-digit number.

The number of different codes can be counted using
a. permutations
b. combinations

User Farshad Jahanmanesh
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1 Answer

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Answer:B

Explanation:

User Chris McCall
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