Answer
The SI system uses a well-defined set of internationally agreed upon standard units and makes measurements in terms of these units and their power of ten. The US system contains units which are mainly of historical origin and not based on powers of ten. As a result of this international acceptance and ease of handling, scientists prefer to use SI system.
Work Step by Step
The SI system uses a well-defined set of internationally agreed upon standard units and makes measurements in terms of these units and their power of ten. The US system contains units which are mainly of historical origin and not based on powers of ten. As a result of this international acceptance and ease of handling, scientists prefer to use SI system.