Todd Southworth, a newcomer to Road Sign Math, found this mathematically significant road sign a number of times on his way home. However, until he visited this site he didn’t appreciate the wonderful math contained inside it.
A couple of factorials bring this set of numbers together in an elegant way.
20 \times (\sqrt{9})! = 5!
This sign is on eastbound CA-210 just east of I-15 in Fontana, California. See sign on map!
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