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Estimate each of the following by rounding off each number to nearest hundreds:(a) 874 + 478(b) 793 + 397(c) 11244 + 3507(d) 17677 + 13589 |
Answer» (a) 874 rounded off to the nearest hundreds = 900 478 rounded off to the nearest hundreds = 500 Estimated sum = 900 + 500 = 1400 (b) 793 rounded off to the nearest hundreds = 800 397 rounded off to the nearest hundreds = 400 Estimated sum = 800 + 400 = 1200 (c) 11244 rounded off to the nearest hundreds =11200 3507 rounded off to the nearest hundreds = 3500 Estimated sum = 11200 + 3500 = 14700 (d) 17677 rounded off to the nearest hundreds =17700 13589 rounded off to the nearest hundreds =13600 Estimated sum = 17700 + 13600 = 31300 |
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