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## Significant Digits and Rounding Numbers

*Margaret A. Winker and Stephen J. Lurie*

### in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

When numbers are expressed in scientific and biomedical articles, they should reflect the degree of accuracy of the original measurement. Numbers obtained from mathematical calculations should be ...
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## Significant Digits

*Margaret A. Winker and Stephen J. Lurie*

### in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

The use of a numeral in a numbers column (eg, the ones column) implies that the method of measurement is accurate to that level of precision. For example, when a reporter attempts to estimate the ...
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## Rounding

*Margaret A. Winker and Stephen J. Lurie*

### in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

The digits to the right of the last significant digit are rounded up or down. If the digit to the right of the last significant digit is less than 5, the last significant digit is not changed. If the ...
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