Q:

A bathroom scales displays a mass reading of 68.4 kg. Which one of the following could NOT be the true mass of the person standing on the scale

0

A bathroom scales displays a mass reading of 68.4 kg. Which one of the following

could NOT be the true mass of the person standing on the scales?


  1. 68.40 kg
  2. 68.44 kg
  3. 68.47 kg
  4. 68.37 kg

All Answers

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C: A reading of 68.4 (that is, stated to the nearest 0.1 kg) means that

the actual value is between 68.35 and 68.44, so only 68.47 (which is closer to

68.5) is outside this range.

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