The prefix for 10-9 is nano-.
I am not sure but, Micro = 10-6, so Micro micro = 10-12 for which the prefix now is pico.
The SI nano- prefix means x 10-9
The prefix "nano" = 1/1,000,000,000 indicates 10^-9 or a billionth.
Nano. A handy mnemonic is "nice price for all." Nano, pico, femto, atto. Billionth, trillionth, quadrillionth, quintillionth.
'nano' = 'one billionth' = 10-9
'Nano' is not a noun; 'nano' is not even a word, it is a prefix meaning 'one billionth' or used informally as an extremely small part of a whole. Some words with the prefix nano- are nanosecond, nanotechnology, or nanoscale.
Yes, Micro is a metric unit. It is between milli and nano.
Metric prefixes - femto, pico, nano, micro, milli, centi, deci, unit, deca, hecto, kilo, mega, giga, tera.
Nano- means million.
Nano-, a nanometer is a billionth of a meter
stupid a*s h*e