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Rules for rounding off numbers. If the digit to be dropped is greater than 5, the last retained digit is increased by one. For example, 12.6 is rounded to 13. If the digit to be dropped is less than 5, the last remaining digit is left as it is. For example, 12.4 is rounded to 12.
7 wrz 2016 · Rules for rounding with sig figs: Free Download of Significant Figures Posters. Significant Figure Posters (PDF) (1208 downloads ) Significant Figure Posters (Editable Publisher File ZIP) (830 downloads ) For the editable file you’ll also need to download these free fonts: Wellfleet and Folks-Light. Want more science posters?
This resource shows what significant figures are and how to round numbers to one or two significant figures. Examples include rounding numbers such as 1508.06 and 0.01704.
Here you will find a range of free printable rounding worksheets to help your child learn to round numbers to either 1,2 or 3 significant figures. These sheets are carefully graded so that the easier sheets come first and give extra support.
SIGNIFICANT FIGURES. The amount of approximation required in a number may be described in another way by saying how many significant figures are required. To find how many significant figures a number contains count all figures in the number except zeros at the beginning or end of the number.
Significant Figures and Rounding – Explanations and Examples Read pages 18-22 in your Lab Manual for a more thorough discussion of the meaning of significant figures and how it relates to accuracy, precision, and error.
There are three rules on determining how many significant figures are in a number: Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant. Focus on these rules and learn them well.
