Difference between revisions of "Significant Figure"
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The diameter of [[Earth]] = 10,000,000m correct to 1 '''significant figures'''. | The diameter of [[Earth]] = 10,000,000m correct to 1 '''significant figures'''. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Significant figure (maths skill), pages 39, 87, GCSE Physics; Student Book, Collins, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Significant figures (maths), pages 286-7, GCSE Chemistry; Student Book, Collins, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Significant figures, page 14, GCSE Combined Science Trilogy; Physics, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945954/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945954&linkCode=as2&tag=nrjc-21&linkId=100574c08fbbb64318256eb79ed61a76 ''Significant figures, page 15, GCSE Biology, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Significant figures, page 15, GCSE Chemistry, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782946381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946381&linkCode=as2&tag=nrjc-21&linkId=5ec5fc3f6429e30c1d9ab9bca2bccf93 ''Significant figures, page 15, GCSE Combined Science Trilogy; Biology, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/178294639X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294639X&linkCode=as2&tag=nrjc-21&linkId=51599bb45a2bfaf7c1b6a978b2ca2616 ''Significant figures, page 15, GCSE Combined Science Trilogy; Chemistry, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Significant figures, page 15, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Significant figures, page 180, GCSE Combined Science Trilogy 1, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Significant figures, page 259, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945563/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945563&linkCode=as2&tag=nrjc-21&linkId=9a1d023a374038e6072f33c4f3cf808b ''Significant figures, page 6, GCSE Biology; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe10283 ''Significant figures, page 6, GCSE Combined Science; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac407 ''Significant figures, page 6, GCSE Physics; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Significant figures, page 67, GCSE Chemistry, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d238 ''Significant figures, page 7, GCSE Chemistry; The Revision Guide, CGP, AQA ''] | ||
Revision as of 10:35, 13 November 2019
Contents
Key Stage 4
Meaning
Significant Figures are the number of digits representing the accurate value of a number.
About Significant Figures
- Significant Figures begin with the digit representing the largest number.
- A number may be correct to a given number of significant figures.
- The number of significant figures is related to how resolution of a measuring instrument.
- When performing a calculation the answer should never be given to more significant figures than the numbers used in the calculation.
Examples
π = 3.14159265359 correct to 12 significant figures.
π = 3.142 correct to 4 significant figures.
The diameter of Earth = 12,742,000m correct to 5 significant figures.
The diameter of Earth = 12,700,000m correct to 3 significant figures.
The diameter of Earth = 10,000,000m correct to 1 significant figures.
References
AQA
- Significant figure (maths skill), pages 39, 87, GCSE Physics; Student Book, Collins, AQA
- Significant figures (maths), pages 286-7, GCSE Chemistry; Student Book, Collins, AQA
- Significant figures, page 14, GCSE Combined Science Trilogy; Physics, CGP, AQA
- Significant figures, page 15, GCSE Biology, CGP, AQA
- Significant figures, page 15, GCSE Chemistry, CGP, AQA
- Significant figures, page 15, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Significant figures, page 15, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- Significant figures, page 15, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
- Significant figures, page 180, GCSE Combined Science Trilogy 1, Hodder, AQA
- Significant figures, page 259, GCSE Physics; Third Edition, Oxford University Press, AQA
- Significant figures, page 6, GCSE Biology; The Revision Guide, CGP, AQA
- Significant figures, page 6, GCSE Combined Science; The Revision Guide, CGP, AQA
- Significant figures, page 6, GCSE Physics; The Revision Guide, CGP, AQA
- Significant figures, page 67, GCSE Chemistry, Hodder, AQA
- Significant figures, page 7, GCSE Chemistry; The Revision Guide, CGP, AQA