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December 18, 2014

December 18, 2014

Posted by **Kelly** on Monday, October 19, 2009 at 12:59pm.

9x9=81

99x99=9801

999x999=998,001

I know the next sequence is 9999x9999=99980001

I just don't know which pattern this is called.

- Math -
**bobpursley**, Monday, October 19, 2009 at 1:06pmNotice the nine leading increase in number each time by one, and the trailing zeroes increase by one.

- Math -
**Kelly**, Monday, October 19, 2009 at 2:34pmYes, I did notice that as well. I just didn't know the name of that pattern, is it a trailiing pattern?

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