Question

What is the SI prefix for each of the following multiples and submultiples of a unit?

(e)${10}^{-9}$

Answer 1

SI system

• “The International System of Units is abbreviated as SI.
• The SI system has seven base units.
• The SI system allows the use of prefixes to indicate the multiples or submultiples of a unit.

SI prefix for ${10}^{-9}$

• The SI prefix for ${10}^{-9}$ is nano.
• The symbol for nano is $\mathrm{n}$.