The number of significant figures is 7.
Explanation:
Significant figures
- The figures in a number that expresses the magnitude of a quantity to a specific degree of accuracy are known as significant digits.
- Digits from 1 to 9 are always significant and have an infinite number of significant figures.
- All non-zero numbers are always significant. For example, 684, 9.54, and 63.4 all have three significant figures.
- All zero’s between integers are always significant. For example, 2005, 8.005, and 10.05 all have four significant figures.
- All zero’s preceding the first integers are not significant. For example, 0.0038 has two significant figures.
- All zero’s after the decimal point are always significant. For example, 4.500, 43.00, and 950.0 all have four significant figures.
- All zeroes used solely for spacing the decimal point are not significant. For example, 6000 has one significant figure.
Given :
The number 00.6022009
To find:
The number of significant figures in the number.
Solution
00.6022009
All zero’s preceding the first integers are not significant.
Zeros in between the integers are significant
So, the number of significant figures is 7.
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