JEE Physics · Medium

Errors and Measurements: Sig Figs — Operations MCQ

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Sig Figs — OperationsMediumQuestion 30172

Question

Express (8.765 − 8.23) with correct significant figures:
  1. A
    0.535
  2. B
    0.54
    Correct
  3. C
    0.5
  4. D
    0.53

Correct answer

0.54

Explanation

In subtraction, result has fewest decimal places: 8.23 has 2, so result = 0.54 (2 decimal places = 2 sig figs here).