Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens) (a) 439+334+4,317 (b) 1,08,734-47,599 (c) 8325-491 (d) 4,89,348_48,365
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Answer:A. 1. 5100 2. 5090
B.1.61100 2.61140
C.1.7800 2. 7830
D.1.44100 2. 440980
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