Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|

significant digits | 1.64 | 0.9 | 7016 | 73 | 18 |

significant | 1.46 | 0.2 | 8389 | 99 | 11 |

digits | 1.75 | 0.9 | 6866 | 21 | 6 |

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.

Significant figures are important because they tell us how good the data we are using are. (Incidentially, the word "data" is plural for "datum", so even though it seems weird saying that "data are

Significant figures tell readers of a scientific report about the precision of obtained data. Scientists use significant figures in measured quantities where it is impossible to know an exact number.

significant digits. The digits in a decimal number that are warranted by the accuracy of the means of measurement.