http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7674640&tstart=0#7674640 > The product of the tens digits of a few given perfect squares is
> odd. What is the units digit of the product of]]> Feb 22, 2012 12:02:12 PM Feb 22, 2012 12:02:12 PM msb@vex.net 0 http://mathforum.org/kb/thread.jspa?messageID=7674639&tstart=0#7674639 ) The product of the tens digits of a few given perfect squares is
) odd. What is the units digit of the product of these]]> Feb 22, 2012 11:58:58 AM Feb 22, 2012 11:58:58 AM willem@toad.stack.nl 0 http://mathforum.org/kb/thread.jspa?messageID=7674412&tstart=0#7674412 odd. What is the units digit of the product of these]]> Feb 22, 2012 10:07:29 AM Feb 22, 2012 10:07:29 AM puzzles@cotpi.com 2