Question

1. Round off 43, 98 and 236 to the nearest ten. After rounding off, add them. Round off thesum 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 intervalof the original number.4. A 3-digit number was rounded off to the nearest ten and the result was 320. Find theinterval of the original number.​

Answer 1

Answer:

1.400

2.600

3.55 to 60

4.315 to320

Step-by-step explanation:

43=40

98=100

236=240

40+100+240=380

nearest hundreds for 380 is 400

2.731=730

164=160

730-160=570

570=600