Question

To change from one SI prefix to another, we use?

Answer 1

Explanation :

To change from one SI prefix to another, we use conversion factors. It is used to convert the unit of a quantity without changing its value.

For example,

To convert 1 inch into cm, firstly we have to know the relation between inch and cm.

$1\ inch=2.54\ cm$

Hence, using conversion factor inch is converted into cm.

Answer 2

conversion factors is the answer!