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Last updated at Nov. 12, 2021 by Teachoo
Ex 1.3, 3 Estimate the following products using general rule: Make four more such examples. (c) 1291 × 5921291 × 592 By general rule 1291 is rounded off to 1300 592 is rounded off to 600 Estimated Product = 1300 × 600 = 13 × 6 × 10000 = 780000 = 7,80,000