Question

2. Round off to the nearest 10, what numbers
could be estimated as:
(i) 60
[Hint. 55, 56, 57, 58, 59, 60, 61, 62, 63, 64]
(ii) 40 (iii) 130
(iv) 780
(v) 1600
(vi) 4000​

Answer 1

Answer:

When we need to round off to the nearest 10 we need to estimate the value in tens.

Example . 57 → 60 , 31 → 30 , 27 → 30 and so on.

Step-by-step explanation:

1. 59 → 60.

2. 40

3. 130

4. 780

5. 1600

6. 4000

Answer 2

Answer:

1. 40=35,36,37,38,39,40,42,42,43,44
2. 130=125,126,127,128,129,130,131,132,133,134
3. 780=775,776,777,778,777,778,779,780,781,782,783,784
4. 1600=1595,1596,1597,1598,1599,1600,1601,1602,1603,1604
5. 4000=395,396,397,398,399,4000,4001,4002,4003,4004

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