Physics 9702 · AS & A Level · Errors and uncertainties

Errors and uncertainties — practice question

The width of a table is recorded as $(50.3 \pm 0.1)\,\text{cm}$. Its length is recorded as $(1.40 \pm 0.01)\,\text{m}$. Determine the area of the table and its absolute uncertainty.

  • A$(0.7 \pm 0.1)\,\text{m}^2$
  • B$(0.704 \pm 0.006)\,\text{m}^2$
  • C$(0.704 \pm 0.011)\,\text{m}^2$
  • D$(70.4 \pm 0.6)\,\text{m}^2$

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