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2 votes
What is Nancys number? How do you know this is the greatest possible number for these digits?

What is the least number that can be made using each digit exactly once? Explain why the value of the 4 is greater than the value of the 5

What is Nancys number? How do you know this is the greatest possible number for these-example-1

1 Answer

4 votes
985431 because there is a constant number of digits and if you start it with 9 it will be greater that starting it with anything else. If the next # is 8 than it will be greater than any # if it wasn't there. And so on.
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User Dunken
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