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17 August, 01:44

Which of the following numbers is correctly rounded to three significant figures, as shown in brackets?

a. 12,556 [12,500]

b. 4.5671 * 10^-9 [4.567 * 10^-9]

c. 3.00072 [3.001]

d. 0.006739 [0.00674]

e. 5.4589 * 10^5 [5.459 * 10^5]

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Answers (1)
  1. 17 August, 02:02
    0
    D is correctly rounded to three significant figures.

    Explanation:

    A is incorrect because although it has 3 significant figures, it is rounded incorrectly. The correct answer would be 12,600.

    B is incorrect because is rounded to 4 significant figures instead of three.

    C is also incorrect because is rounded to 4 significant figures instead of three.

    D is correctly rounded to three significant figures.

    E is also incorrect because is rounded to 4 significant figures instead of three.
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