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How do you determine: how many significant figures should you to round to when doing addition and subtraction?
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How do you determine: how many significant figures should you to round to when doing addition and subtraction?

User Waad Mawlood
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The rule is always the same. Your final answer must have the same number of significant figures as the least accurate value in the calculation (one with the least number of significant figures) I hope this makes sense
User John Offenhartz
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