1.
Solve the following questions:
1. Round off 43, 98 and 236 to the nearest ten. After rounding off, add them. Round off
the sum to the nearest hundred.
2. Round off 731 and 164 to the nearest ten. Find the difference of the rounded off
numbers. Round off the difference to the nearest hundred.
3. A 2-digit number was rounded off to the nearest ten and the result was 60. Find the
interval of the original number.
4. A 3-digit number was rounded off to the nearest ten and the result was 320. Find the
interval of the original number.
5. A 4-digit number was rounded off to the nearest ten and the result was 4,760. Find
the interval of the original number.
6. A 3-digit number was rounded off to the nearest hundred and the result was 500. Find
the interval of the original number
7. A 3-digit number was rounded off to the nearest hundred and the result was 700. Find
the interval of the original number.
Answers
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3
Answer:
1. 40 , 100. 240
Step-by-step explanation:
40 +100+240=380 ans
2.730 , 161
730-161=569
570 ans
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