Ten children are arranging themselves in a circle. Calculate the number of ways this can be done if three particular children are NOT to be next to each other.(adsbygoogle = window.adsbygoogle || []).push({});

I did it and got... 9! - 7!3!

However, I got it wrong on the test - I am pretty sure my method is correct.

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# Homework Help: Probability: Arrangements in Circle

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