what is the smallest and biggest unit of mass,time,length. plz answer fast.



For mass the smallest to largest is millimeter, centimeter, decimeter, meter, dekameter, hectometer, and kilometer.

For time one picosecond (one-trillionth of a second) is currently the shortest period of time able to be accurately measured, largest unit is difficult to guess it could any thing as 1 millennium is 1,000 years.

For length In metric system: mm = millimeters,cm = centimeters,dm = decimeters,m = meters,km = kilometers.

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