Jaynus Yeoh's answer to Loshethran's Secondary 1 Maths Singapore question.
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Round off to 3 sf so leave the first 3 numbers. Look at the number behind the 3rd number. If it is equals to 5 or above, you need to add 1 to the 3rd number. If the number behind the 3rd number is less than 5, then you do not need to add 1 to the 3rd number.
Date Posted:
5 years ago
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