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29 July, 11:03

How many significant figures are represented in each of the following numbers? a) 7.1 x 10^-5 b) 0.00677 c) 750

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  1. 29 July, 11:58
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    a) 7.1 x 10⁻⁵ : 2 significant figures

    b) 0.00677 : 3 significant figures

    c) 750 : 2 significant figure

    Explanation:

    The significant digits or figures refers to the digits of a given number that carry meaning and also contributes to precision of the given number.

    a) 7.1 x 10⁻⁵ = 0.000071 : 2 significant figures, leading zeros are not significant.

    b) 0.00677 : 3 significant figures, leading zeros are not significant.

    c) 750 : 2 significant figure, trailing zeros are not significant.
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