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How many significant figures are present in the number 2?
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1. Intro to General Chemistry
Significant Figures
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How many significant figures are present in the number 0.00208?
A
4
B
2
C
3
D
5
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Identify the non-zero digits in the number 0.00208. These digits are always significant.
Recognize that any zeros between non-zero digits are significant. In 0.00208, the zero between 2 and 8 counts as significant.
Understand that leading zeros (zeros before the first non-zero digit) are not significant. In this case, the zeros before 2 are leading zeros and are not counted.
Count all the significant digits: the digits 2, 0 (between 2 and 8), and 8, which gives a total of 3 significant figures.
Conclude that the number 0.00208 has 3 significant figures.
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