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When is rounding a good idea?

Updated: 8/17/2019
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Wiki User

6y ago

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Rounding is a good idea when:

  • one of the components in a sum is given to fewer significant figures. Often, the answer cannot contain more significant figures (sf) than the lowest sf of its components.
  • the exact answer is irrational (or transcendental) and it is impossible not to round the answer.
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7y ago
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6y ago

When the answer is an irrational number.

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Q: When is rounding a good idea?
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