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Estimation — MATHS STD 6 — Question

ICSE BoardEnglish MediumSTD 6MATHSEstimation2 Marks
Question
Round off the following to the nearest ten:
543
✓

Answer

If the digit at ones place is less than 5, replace one digit by 0 and keep the other digit as they are:
And if the digit at ones place is 5 or more than 5, increase tens digit by 1, and replace one digit by 0.
543 – 540

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