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| Math Central | Quandaries & Queries |
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Question from Carri: How many 4-digit combinations can be made out of digits 1, 2, 3, 4, & 5 using each number once? What are the combinations? |
Hi Carri,
If you are to select 4 digits from 1, 2, 3, 4 and 5 you must leave out 1 digit. How many ways are there to select 1 digit to leave out?
Penny
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