Question

why do we use instruments to make measurements?​

Answer 1

Answer:

A measuring instrument is a device for measuring a physical quantity. ... Established standard objects and events are used as units, and the process of measurement gives a number relating the item under study and the referenced unit of measurement.

Answer 2

Answer:

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A measuring instrument is a device for measuring a physical quantity. ... Established standard objects and events are used as units, and the process of measurement gives a number relating the item under study and the referenced unit of measurement.