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Cambridge IGCSE Mathematics (0580)
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Maths_level 2_number Systems Operations_estimation Bounds And Accuracy
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Question
What is the upper bound of a value rounded to the nearest 10?
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Answer
The greatest possible value before it would round to the next multiple: for 120, the upper bound is 125 (exclusive).
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1
What is the upper bound of a value rounded to the nearest 10?
2
What is the lower bound of 3.4 rounded to 1 decimal place?
3
Why estimate before calculating?
4
How do bounds combine in multiplication of positive values?
5
What is a sensible rounded answer?
6
How do you round 5764 to the nearest thousand?