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The answer to an addition question should have no more decimal places than the smallest number of decimal places in the numbers being added. When rounding numbers, numbers 5 though 9 will be rounded up and 1 through 4 will be rounded down.

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Q: What are the rounding rules of addition?
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Related questions

What are the rules for rounding decimals?

Round to the nearest decimal


Why is rounding num bers easy?

Rounding numbers is easy because their are two rules to rounding numbers. 1) a </= 4 then a = 0 2) a >/= 5 then a = 10


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21.749


Rules in rounding fraction numbers?

Add your whole numbers


Can 40.43 round up to 41 dollars?

Only if you are rounding up to the nearest dollar. Normal rounding rules would make it 40.


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Using rounding rules, 13 is the nearest kilo.


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That depends on the rounding rules used.


How should numbers in questions and answers be rounded on WikiAnswers?

There are no set rules about rounding numbers, so when rounding numbers, mathematical rules about rounding can be used. For example, 14 would be rounded to 10, but 15 would be rounded to 20. For another example, 1144 is rounded to 1140 and 1145 is rounded to 1150.


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5 or more round up


What are the rules rounding to the nearest million?

See related link below for a good explanation


Does the ordinary addition rules obey for scalar addition?

Yes.


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