In most English-speaking countries, a billionth is equal to 0.000 000 001, or 1 x 10-9 in scientific notation. The prefix for this number is nano, and is abbreviated as "n" (for example, in electronics, one nanofarad would be written as 1 nF). The English language is a West Germanic language that originates in England. ... Scientific notation, also known as standard form, is a notation for writing numbers that is often used by scientists and mathematicians to make it easier to write large and small numbers. ... Look up nano in Wiktionary, the free dictionary. ... The nanofarad (symbol nF) is a submultiple of the SI unit of electrical capacitance, the farad. ...
One billionth is the reciprocal of a billion, which means it has one of two definitions depending on whether the long scale or short scale definition is being used.
The prefix for this number is nano, and is abbreviated as "n" (for example, in electronics, one nanofarad would be written as 1 nF).
The prefix for this number is pico, and is abbreviated as "p" (for example, in electronics, one picofarad would be written as 1 pF).