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How many different 4-digit nubmers can be formed using the digits 2, 4, 5, 6, and 7 such that no digits repeat and the number is divisible by 4?

 Nov 19, 2019
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Ok, everyone else can please butt out.  This one is mine and I am going to teach... not just provide an answer.

 

Ok, you can do some of the work.

How can you easily tell if a number is divisable by 4

If you do not know and cannot work it out then google it.

Come back with the answer.

 

It will save time if you tell me what conditions need to be met to make this specific number divisable by 4

 Nov 19, 2019
edited by Melody  Nov 19, 2019

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