Question

defination and si unit​

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.

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Answer 2

SI unit is an international system of measurement that are used universally in technical and scientific research to avoid the confusion with the units.