A tennis racquet length is measured at 68.58 centimetres.
Express this measurement in metres, rounded to two decimal places. (2 marks)
Numbers of Any Magnitude, SMB-016
A solution of acid is measures 12 982 millilitres.
Express this measurement in litres, correct to one decimal place. (2 marks)
Numbers of Any Magnitude, SMB-015
The width of red blood cell is 8 nanometres or
How many red blood cells, lined up side by side in straight line, would it take to form a 1 cm distance. (2 marks)
Measurement, STD2 M1 2009 HSC 25b
The mass of a sample of microbes is 50 mg. There are approximately
In scientific notation, what is the approximate mass in grams of one microbe? (2 marks)
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Numbers of Any Magnitude, SMB-008 MC
A person's height is measured as 1.7 metres.
What is the absolute error of this measurement?
- 1 centimetre
- 5 centimetres
- 10 centimetres
- 50 centimetres
Numbers of Any Magnitude, SMB-007
The capacity of a bottle is measured as 1.35 litres correct to the nearest 10 millilitres.
What is the percentage error for this measurement, correct to two significant figures? (2 marks)
Numbers of Any Magnitude, SMB-005
A puppy's weight is measured at 5.2 kilograms, to the nearest 100 grams.
Calculate the percentage error in this measurement, correct to one significant figure? (3 marks)
Measurement, STD2 M1 2019 HSC 8 MC
A person's weight is measured as 79.3 kg.
What is the absolute error of this measurement?
- 10 grams
- 50 grams
- 100 grams
- 500 grams