Question

write the definition of SI basic units help me ​

Answer 1

Answer:

The SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived.

Answer 2

Answer:

The SI base units are the standard units of measurement defined by the International system of unit.