To estimate the sum of 49 and 22.88, we can round the numbers to the nearest whole number.
- 49 rounded is 49.
- 22.88 rounded is approximately 23.
Now, we can add these rounded numbers together:
49 + 23 = 72.
So, the estimated sum is 72.
To find the difference (49 - 22.88), we can also round:
- 49 remains 49.
- 22.88 rounds to approximately 23.
Now, we subtract:
49 - 23 = 26.
So, the estimated difference is 26.
In summary:
- Estimated sum: 72
- Estimated difference: 26