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23 July, 12:42

How many significant figures are in 0.0032 mm

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  1. 23 July, 12:43
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    In a number, to determine the number of significant figures following 3 rules are used:

    (1) The digits which are non-zero are always significant. (2) Any zeros between two digits which are non-zero are significant. (3) In the decimal portion, trailing zeros are significant.

    The number is 0.0032 nm, it has two non-zero digits and the zeros are not trailing zeros.

    Therefore, there are only 2 significant figures (underlined) : 0.0032.
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