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Significant figures: Quiz


Question 1: Generally, the same rules apply to numbers expressed in ________.
ExponentiationMultiplicationLogarithmScientific notation

Question 2: There are several different rules for handling borderline cases — see ________ for more details.
ExponentiationRoundingPiFloating point

Question 3: The concept of significant figures is often used in connection with ________.
Floating pointRoundingExponentiationPi

Question 4: The term "significant figures" can also refer to a crude form of error representation based around significant figure rounding; for this use, see ________.
Significance arithmeticArithmetic precisionPiAccuracy and precision

Question 5: If a sprinter is measured to have completed a 100-________ race in 11.71 seconds, what is the sprinter's average speed?
1 decametre100 megametres10 megametresMetre

Question 6: A practical calculation that uses any ________ necessitates rounding the number, and hence the answer, to a finite number of significant figures.
Complex numberTranscendental numberReal numberIrrational number

Question 7: Computer representations of floating point numbers typically use a form of rounding to significant figures, but with ________.
DuodecimalBinary numeral systemHexadecimalDecimal

Question 8: For example, a pair of 0.05-metre-wide (2-________) lines at the start and end would introduce a separate uncertainty of ±0.05 m (2 in) or 500 ppm to the above calculation.
United States customary unitsFoot (length)YardInch

Question 9: The significant figures (also called significant digits and abbreviated sig figs, sign.figs, sig digs or s.f.) of a number are those digits that carry meaning contributing to its precision (see entry for ________).
Accuracy and precisionStatisticsSample sizeExperiment


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