Significant digits
Classical Mechanics
Level
2
The length of a steel rod is exactly \(1\text{ cm}\).
An observer records four different readings as 1.0,
1.00, 1.000 and 1.0000.
Which these readings made by the observer is the
most accurate measurement?
Clarification: The answer should be from scientific point of view.
by
Naren Bhandari