The distance between the Earth and the moon is 384 712 303 metres.
How far is that to the nearest million? (1 mark)
Numbers of Any Magnitude, SMB-025 MC
Which is the correct expression for 96.4851 rounded to 2 decimal places?
- 96.00
- 96.48
- 96.49
- 96.50
Numbers of Any Magnitude, SMB-024 MC
The first three days of the Brisbane cricket test had the following attendances:
What was the total crowd over the first 3 days, to the nearest 1000?
Numbers of Any Magnitude, SMB-023
A red blood cell and a white blood cell have a combined total mass of
If the red blood cell has a mass of
Numbers of Any Magnitude, SMB-022 MC
The age of the Universe is estimated to be 14 000 000 000 years old.
This number can also be written in scientific notation as
Numbers of Any Magnitude, SMB-021
An insect expert estimates that an anthill 30 cm high contains
He also estimates that a 25 cm high anthill contains
If his estimations are correct, how many more ants live in the 30 cm high anthill than the 25 cm high one? (2 marks)
Numbers of Any Magnitude, SMB-020
The diameter of a pinhead is 0.0023 mm.
What is this measurement written in scientific notation?
Numbers of Any Magnitude, SMB-019 MC
The diameter of the earth is approximately 13 000 kilometres.
Which of these shows 13 000 in scientific notation?
Numbers of Any Magnitude, SMB-018 MC
One billion is one thousand million.
Which of the following is 300 billion?
Numbers of Any Magnitude, SMB-017
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)
Numbers of Any Magnitude, SMB-014
The moon is 384 400 kilometres from the Earth.
Express this distance in scientific notation. (1 mark)
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-013
What is 0.000709 expressed in scientific notation? (1 mark)
Numbers of Any Magnitude, SMB-012 MC
What is 5.6582 rounded to two decimal places?
Numbers of Any Magnitude, SMB-011 MC
What is 0.002073 expressed in scientific notation with two significant figures?
Numbers of Any Magnitude, SMB-010 MC
What is 5.4782 correct to two significant figures?
- 5.0
- 5.5
- 5.47
- 5.48
Numbers of Any Magnitude, SMB-009
Noel's suitcase is weighed before his plane flight at 14 kilograms, to the nearest kilogram.
What is the absolute error of this measurement? (1 mark)
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-006
A dinosaur fossil is measured to be 1.3 metres in length.
What is the percentage error in this measurement, giving your answer correct to two decimal places? (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)
Numbers of Any Magnitude, SMB-004
The height of palm tree is measured at 8 metres, to the nearest metre.
What is the percentage error in this measurement? (2 marks)
Numbers of Any Magnitude, SMB-003
The width of a hockey field is measured to be 45 metres, correct to the nearest metre.
What is the upper limit for the width of the hockey field? (2 marks)
Numbers of Any Magnitude, SMB-002 MC
The width of a soccer field is measured to be 50.60 metres, correct to the nearest centimetre.
What is the lower limit for the length of the netball court?
- 50.55 m
- 50.59 m
- 50.595 m
- 50.599 m
Numbers of Any Magnitude, SMB-001
A cockroach is measured in a school science experiment and its length is recorded as 5.2 cm.
What is the upper limit of accuracy of this measurement? (2 marks)
Measurement, STD2 M1 2021 HSC 6 MC
Suppose
What is the value of
- 3.14
- 3.15
- 3.142
- 3.143
Measurement, STD2 M1 2020 HSC 5 MC
A plant stem is measured to be 16.0 cm, correct to one decimal place.
What is the percentage error in this measurement?
- 0.3125%
- 0.625%
- 3.125%
- 6.25%
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
Measurement, STD2 M1 2018 HSC 18 MC
The length of a window is measured as 2.4 m.
Which calculation will give the percentage error for this measurement?
Measurement, STD2 M1 2016 HSC 1 MC
What is 208.345 correct to two significant figures?
- 208
- 210
- 208.34
- 208.35
Measurement, STD2 M1 2015 HSC 12 MC
The length of a fish was measured to be 49 cm, correct to the nearest cm.
What is the percentage error in this measurement, correct to one significant figure?
- 0.01%
- 0.5%
- 1%
- 2%
Measurement, STD2 M1 2015 HSC 1 MC
What is 1 560 200 km written in standard form correct to two significant figures?
Measurement, STD2 M1 2014 HSC 10 MC
The top of the Sydney Harbour Bridge is measured to be 138.4 m above sea level.
What is the percentage error in this measurement?
- 0.036%
- 0.050%
- 0.072%
- 0.289%
Measurement, STD2 M1 2013 HSC 27d
A rectangular wooden chopping board is advertised as being 17 cm by 25 cm, with each side measured to the nearest centimetre.
- Calculate the percentage error in the measurement of the longer side. (1 mark)
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- Between what lower and upper limits does the actual area of the top of the chopping board lie? (2 marks)
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