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 – 48,365Make four more such examples.
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### (a) 439 + 334 + 4,317
1. **Rough Estimate (Nearest Hundreds)**:
- Round 439 to the nearest hundred: **400**
- Round 334 to the nearest hundred: **300**
- Round 4,317 to the nearest hundred: **4,300**
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