4. Dunkin' Donuts is thinking about offering a promotion to win free coffee for life. For this contest the customer will have to use all the digits from 1 to 9 to create a nine digit passcode. How many ways can this be done?

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Mathematics

16 January, 20:24

4. Dunkin' Donuts is thinking about offering a promotion to win free coffee for life. For this contest the customer will have to use all the digits from 1 to 9 to create a nine digit passcode. How many ways can this be done?

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Marianna Dawson · Answer 1

There are endless combinations. The count could go backwards, scrambled, mix and match, etc. The costumer can also take 1 through 9 and make a combination like; 9 8 6 5 7 3 2 1 4. They would still think of more ways to rearrange the numbers no matter how many times they've positioned them.