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April 26, 2015

Homework Help: Math

Posted by Urgent Help Please on Thursday, March 8, 2012 at 11:42pm.

Received answer to the following question from Jishka. (2469)



Would you please explain the steps you used to get the answer 2469. I must show work.

Thank you


Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is divisible by 7. The digits 1389 also cannot be arranged to form a four-digit number that is divisible by 7. Find one additional set (not 1238 or 1389) of four different digits that is not divisible by 7. Provide the digits to form the smallest four digit value.

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