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Which of the following represents the most accurate estimation of 5+4 5,10,15,20

User Krumelur
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2 Answers

5 votes
If you rounded 4 up to 5 you would get 10 so 10 is the right answer
User Bernd Rabe
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6 votes
10 5+4 is 9 so it would be 10
User Natiiix
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