What order do i arrange the units so they can be from largest to smallest?

m superscript 3, mL, cL, UL, L, dL.

kilo
hecto
deca
unit
deci
centi
milli
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All of the above are by a factor of 10 from top to bottom (becoming smaller); 1 kilogram = 1000 grams.
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All of the below are by a factor of 1000 from top to bottom (becoming smaller); i.e., 1 mg = 1000 ug.

micro
nano
pico
femto
atto
zepto
yocto
Below are factors of 1000.

For the meter³, this is a volume. It may help to know that 1 cc = 1 mL.