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18 January, 16:14

Round 12.45 to 2 significant figures

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Answers (2)
  1. 18 January, 18:35
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    12.45 rounded to 2 sig figs is 12
  2. 18 January, 19:19
    0
    The first 2 significant figures are the 12,

    After the 2, the next digit is 4, and this is not up to 5, so we do not round up the 2 to 3, we leave it as 2

    12.45 ≈ 12 to 2 significant figures.

    Hope this explains it.
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