JEE Physics · Medium

Errors and Measurements: Sig Figs in Addition MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Sig Figs in AdditionMediumQuestion 30118

Question

13.20 + 1.5 + 0.126 reported to correct significant figures is:
  1. A
    14.826
  2. B
    14.83
  3. C
    14.8
    Correct
  4. D
    14.9

Correct answer

14.8

Explanation

In addition, result is rounded to the least number of decimal places — here 1.5 has 1 decimal place, so the answer is 14.8.