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WAEC 2022 · Paper 1 · Q1

Evaluate, correct to four significant figures, 573.06×184.25573.06 \times 184.25.

Worked solution (try it first)
  1. Multiply: 573.06×184.25=105 586.305573.06 \times 184.25 = 105\,586.305.
  2. Four significant figures are 1, 0, 5 and 5.
  3. The next figure is 8, so round up: 1056.
  4. Fill the dropped places with zeros: 105 600105\,600, which is 105600.00, option A.

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