(a) State the rule that governs the number of decimal places retained in the result…
PHYSICS · Subjective · CBSE · Physics · Units and Measurements · Units and Measurements
Problem
(a) State the rule that governs the number of decimal places retained in the result of an addition or subtraction involving measured quantities.
(b) A technician records the following three readings of the level of water in a burette: 15.38 mL, 0.9 mL and 12.004 mL. Explain, with reasons, how many decimal places the final total volume should contain.
(c) Illustrate your explanation in (b) by actually calculating the total volume and clearly indicating every rounding step.