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Depends how accurate you want your measurement:

The number looks like the result of a calculation, so to simplify it, round it to an appropriate number of significant figures: the number being dependant upon what you are measuring and how you measured it - ie what kind of accuracy you used to measure whatever it was in the first place.

reasonable simplifications would be:

  • 6 inches (to the nearest inch)
  • 5.6 in (to 1 dp/2 sig fig)
  • 5.64 in (to 2 dp/3 sig fig)
  • 5.642 in (to nearest thou/mil/3 dp/4 sig fig).
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Wiki User

11y ago

What else can I help you with?