The figure 980 inches can be written as 980.0 inches. It contains two non-zero digits and a zero trailing before the decimal point. Hence, it has three significant figures.
Rules to Determine Number of Significant Figures:
There are three fundamental rules that one can use to determine the significant figures in any given number or value. These rules go as follows:
- Digits that are not zero are always counted among significant figures.
- Any zeros in the range of two significant digits are to be counted.
- The zeroes at the end of any number are significant unless they have been used after a decimal point.
For the portion followed by a decimal point, zeroes at the end are not counted, but zero between two non-zero digits and zero in the initial portion of the floating point are counted while taking note of the significant figures in a decimal value.
Learn more about significant figures here:
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