Answer :
To estimate the sum of 1,173 and 270 by rounding each number to the nearest hundred, follow these steps:
1. Round each number to the nearest hundred:
- For 1,173:
- The hundreds digit is 1 (since 1,173 can be viewed as 1100+73).
- The next digit is 7, which is 5 or more, so round up.
- Therefore, 1,173 rounds to 1,200.
- For 270:
- The hundreds digit is 2 (since 270 can be viewed as 200+70).
- The next digit is 7, which is 5 or more, so round up.
- Therefore, 270 rounds to 300.
2. Add the rounded numbers:
- Now, add the rounded numbers: 1,200 + 300 = 1,500.
The estimated sum of 1,173 and 270 by rounding each to the nearest hundred is 1,500.
1. Round each number to the nearest hundred:
- For 1,173:
- The hundreds digit is 1 (since 1,173 can be viewed as 1100+73).
- The next digit is 7, which is 5 or more, so round up.
- Therefore, 1,173 rounds to 1,200.
- For 270:
- The hundreds digit is 2 (since 270 can be viewed as 200+70).
- The next digit is 7, which is 5 or more, so round up.
- Therefore, 270 rounds to 300.
2. Add the rounded numbers:
- Now, add the rounded numbers: 1,200 + 300 = 1,500.
The estimated sum of 1,173 and 270 by rounding each to the nearest hundred is 1,500.
