Estimate the following products using general rule: (a) 578 × 161 (b) 5281 × 3491 (c) 1291 × 592 (d) 9250 × 29

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(a) 578 × 161 Rounding off by general rule, 598 and 161 may be rounded off to 600 and 200 respectively. (b) 5281 × 3491 Rounding off by general rule, 5281 and 3491 may be rounded off to 5000 and 3000 respectively. (c) 1291 × 592 Rounding off by general rule,...
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(a) 578 × 161 Rounding off by general rule, 598 and 161 may be rounded off to 600 and 200 respectively. (b) 5281 × 3491 Rounding off by general rule, 5281 and 3491 may be rounded off to 5000 and 3000 respectively. (c) 1291 × 592 Rounding off by general rule, 1291 and 592 may be rounded off to 1000 and 600 respectively. (d) 9250 × 29 Rounding off by general rule, 9250 and 29 may be rounded off to 9000 and 30 respectively. read less
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