A physical balance of least count 0.1 gram is used to measure the mass of an object. Write the results if mean value of the observed reading is 125.4g.

A physical balance of least count 0.1 gram is used to measure the mass

1.	A physical balance of least count 0.1 gram is used to measure the mass of an object. Write the results if mean value of the observed reading is 125.4g.
Answer» Solution :LEAST COUNT = 0.1 GRAM. MEASURED mass, `m=(125.4 pm 0.1)` gram.