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Rounding off to a Required Number of Significant Figures

Rounding off to a Required Number of Significant Figures

Secondary 1

Express each of the following, rounded off to the required number of significant figures stated in brackets.

  1. \(2345.678\) (3 s.f.)
  2. \(0.09127\) (2 s.f.)
  3. \(82180.15\) (3 s.f.)
  4. \(0.00473\) (4 s.f.)

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Answer:(a) \(2350\) (b) \(0.091\) (c) \(82\,200\) (d) \(0.004730\)

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