The prefix for 10-9 is nano-.
It is micro (10 -12 )
nano
milli --
for this answer: in the metric system what is the prefix for 1/100?ANSWER: centi-AtL 2009
The metric system is designed to deal in powers of ten, so it has a prefix for 100, which is hecto, but not for 110.
I am not sure but, Micro = 10-6, so Micro micro = 10-12 for which the prefix now is pico.
The metric system prefix for the quantity 0.001 is Milli.
The prefix for million is mega-.
The prefix is centi-
kilo-
millionth