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Physics (AS & A Level) · Oct / Nov 2018 · Paper 13 · Question 5

9702Errors and uncertainties

The width of a table is measured as (50.3 ± 0.1) cm. Its length is measured as (1.40 ± 0.01) m. What is the area of the table and its absolute uncertainty?

  1. A(0.7 ± 0.1) m²
  2. B(0.704 ± 0.006) m²
  3. C(0.704 ± 0.011) m²
  4. D(70.4 ± 0.6) m²

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Correct answer: B. (0.704 ± 0.006) m²

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