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JAMB 2017 · UTME (set 2) · Q35

Find the range of the following set of numbers: 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and −0.2.

Worked solution (try it first)
  1. The largest number is 0.47.
  2. The smallest is the most negative, −0.53-0.53.
  3. The range is 0.47−(−0.53)0.47 - (-0.53), which is 0.47+0.53=1.00.47 + 0.53 = 1.0, option D.

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