Question

5.
Estimate the given products.using round off
1. 61 × 47
2 589 ×245
3,92 ×677
864 ×342
913 ×752
4,329 ×609
1,234 ×5,678
13,459 - 7,801
B.​

Answer 1

Answer:

1.61×47=2867=2870

2.589×245=144305=144310

3.392×677=265384=265385

4.865×342=295488=295500

5.913×752=686576=686580

6.4329×609=2636361

7.1234×5678=7006652

8.13459-7801=5658=5660

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