Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

QUESTION

The diameter of a steel rod is given 56 +- 0.2 mm. What does it mean?

It means there is an error in the measurement of the diameter of rod which ranges from +0.2 to -0.2 , that is the length of the rod can be 55.8 mm or 56.2 mm.

Show more
LEARN MORE EFFECTIVELY AND GET BETTER GRADES!
Ask a Question