How do you express a unit smaller than millimeters?

A. 1

a micro meter
10^-6 (one-in-a-million) meters
Symbol: ㎛m

- nano meters
10^-9 (1 billionth) meters
Symbols: nm

- a pico meter
10^-12 (1 trillion 1/1) meters
Symbols: pm

- femto meters
10^-15 (1000 trillionths of a meter)
Symbols: fm

- Ato meters
10^-18 (1 1/100th) meters
Symbols: am

Gentleman 9 years ago 0

OK