The best unit of measure for the width of a tablet is what?

Question

Selecting from milimeter, meter, and kilometer, determine the best unit of measure to express the given length of the width of a tablet.

Answer 1

milimeterseems to small, but it's probably a better unit than kilomter or meter

decimeter or centimeter would be better than all 3

there's 2.54 cm in one inch

10 decimeters = 1 meter

decimeter might be best