Estimation vs. Exact measurement — task. Physics CBSE Live product, Class 9 (2026-27).

Choose the correct answer below:

Which option correctly distinguishes between approximation and exact value?

Approximating experiment results; guessing a scientific value
Guessing chemical quantities; exactly estimating distance casually
Measuring exact clouds in the sky; roughly doing a lab test
Estimating the distance to a shop; measuring chemicals accurately in an experiment

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