Posted by Kelly on Monday, October 19, 2009 at 12:59pm.
Determine what the next equation would be, and verify that it is indeed a true statement. Describe the pattern.
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 1:06pm
Notice the nine leading increase in number each time by one, and the trailing zeroes increase by one.

Math  Kelly, Monday, October 19, 2009 at 2:34pm
Yes, 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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