Travisdu,
The five you mentioned currently have four digit quotes. (until they go up or down)
silver - dollars, cents, and tenths.
gold - dollars and dimes.
yen - bazillionths, no extra zeros.
wheat - dollars, cents, quarters, (and eighths for options only).
cotton - cents per lb. and hundredths.
Options are quoted exactly the same as futures (no extra zeros).
Some systems can show other quotes, but my examples will work for all the order entry systems I know of.