In terms of SI prefixes 10(-15) is called:
Answer & explanation
Correct answer: option 4
The correct answer is option 4. Femto.
In terms of SI prefixes, \(10^{-15}\) is called Femto.
The SI prefix "femto" is used to denote \(10^{-15}\) or one quadrillionth (1/1,000,000,000,000,000) of a unit. Therefore, a quantity expressed with the prefix "femto" is \(10^{-15}\) times the value of the unit it precedes. For example, one femtosecond (fs) is equal to \(10^{-15}\) seconds.