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18 December, 14:29

How many significant figures are in each measurement? 0.00052 m

b. 9.8 x 104 g

c. 5.050 mg

d. 8700 ml?

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Answers (2)
  1. 18 December, 14:30
    0
    All the measurement contain two significant figures
  2. 18 December, 14:51
    0
    a. 0.00052 m

    Answer: two significant figures.

    Explanation:

    The zeros to the left of 52 do not count as signficant figures.

    Only, 5 and 2 are significant figures.

    b. 9.8 x 10⁴ g

    Answer: two significant figures.

    Explanation:

    Both 9 and 8 count as significant figures. Here there are not additional zeros that might confuse you.

    c. 5.050 mg

    Answer: four significant figures.

    Explanation:

    The zeros to the right count as signficiant figjres. So here, 5, 0, 5, and 0 are the significant figures.

    d. 8700 ml

    Answer: two signficant figures.

    Explanation:

    Since the two zeros to the right are used to determine the place value of 87, you cannot count them as significant figures. Here, only 8 and 7 are significant figures.
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