The supplementary units are? The error in a measurement may occur due to:- In any measurement, the accurately known digits and the first doubtful digit are called:- The least count of meter rod is:- Each base quantity is considered a dimension denoted by a specific symbol written within:- The term Ö f x l / m has dimensions:- How many seconds are there in 1 year? How many meters are there in one light year (speed of light = 3.0 x 108 m/s):-