| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.sl.TZ1.30 |
| Level | SL | Paper | 1 | Time zone | TZ1 |
| Command term | State | Question number | 30 | Adapted from | N/A |
Question
A student recorded the volume of a gas as \({\text{0.01450 d}}{{\text{m}}^{\text{3}}}\). How many significant figures are there in this value?
A. 3
B. 4
C. 5
D. 6
Markscheme
B
Examiners report
In spite of the fact that there was a G2 form comment that the question was too easy, 26% of the candidates managed to give an incorrect response and the discrimination index of 0.27 showed it to be a reasonable discriminator.
Syllabus sections
Core » Topic 11: Measurement and data processing » 11.1 Uncertainties and errors in measurement and results
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