On Fri, 28 Sep 2001 11:07:12 -0700, Mark Boyd <[log in to unmask]> wrote:
>This is a simple math question from my 9 year olds homework.  Could someone
>with a mathematics background explain the reasoning behind the alleged
>correct answer for me? Because I just don't get it.
>
>The question:
>        What is the last digit in the number 346?
>
>She answered 6 and so did I.  The correct answer is apparently 3.  Why?
>I've already written a note to the teacher requesting an explanation, but I
>was hoping someone in the group could come up with something better than
>"Because the book says so".

I think Gavin, Walter and Steve's comments hit the proverbial nail
squarely.  This is just another example of an endemic problem discussed
recently including:
http://raven.utc.edu/cgi-bin/WA.EXE?A2=ind0109A&L=hp3000-l&P=R5479

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