Answer:

Explanation:

The order, from largest to smallest, is millimeters, micrometers and nanometers. Each one is 1/1000th of the previous.

A millimeter is 1/1000 of a meter.

Or

They are measures of magnitude prefixed nano, milli, micro each 10 times greater than the previous in whatever is being measured. So mass would be nanogram, milligram, microgram and length nanometer, millimeter, micrometer.

Hope it helps u mark as brainliest please