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NECO 2022 · Paper 1 · Q1

Express 0.0030752 to three significant figures.

Worked solution (try it first)
  1. The first significant figure is the first non-zero digit, 3.
  2. The first three significant figures are 3, 0 and 7.
  3. The next digit is 5, so round the 7 up to 8: 0.00308, option C.

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