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Ex 1.3, 3 - Chapter 1 Class 6 Knowing our Numbers - Part 2

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Ex 1.3, 3 Estimate the following products using general rule: Make four more such examples. (b) 5281 × 3491 5281 × 3491 By general rule 5281 is rounded off to 5000 3491 is rounded off to 3000 Estimated Product = 5000 × 3000 = 5 × 1000 × 3 × 1000 = (5 × 3) × 1000 × 1000 = 15 × 1000000 = 15000000 = 1,50,00,000 Note: This answer is different to the answer at back They have rounded 3491 off to 3500 If you know a better method, Please comment below

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.