Answer:
si=The International System of Units (abbreviated SI from systeme internationale , the French version of the name) is a scientific method of expressing the magnitudes or quantities of important natural phenomena. There are seven base units in the system, from which other units are derived.
Ex
SI units are significant because they are mutual to the people of the entire world, so that people from different countries can communicate with each other appropriately regarding trade and science.
It makes methodical use of prefaces, making it easy to express very large or very small numbers.
A prefix is fragment of the unit, and its symbol is written initially to a unit and few units are undergoing improvisation as per the requirements of the present day.
