Mathematics Problem of the Week
Fall 2004
POW 5: Lucky 7s
Find the last digit
of
and
where there are
2004 sevens in both expressions.
Due Friday, October 1st
at Noon .
Solutions should
be submitted to Dr. Dan Gagliardi’s mailbox in the
Math office or sent via e-mail to dgaliardi@stlawu.edu
Presentation
counts! The prize-winning entry will be selected from all correct submissions,
based on the clarity, creativity and elegance of the solution.
Look for the SLU
POW on the Web at http://it.stlawu.edu/~math/activities/