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JAMB 2012 · UTME · Q4

Evaluate 219\frac{21}{9} to 3 significant figures.

Worked solution (try it first)
  1. Divide: 219=73=2.333…\frac{21}{9} = \frac73 = 2.333\ldots
  2. Three significant figures are 2, 3 and 3.
  3. The next figure is 3, so round down: 2.33, option D.

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