To round off 5642 to the nearest 10, we can follow these steps:
1. **Identify the digit to round to:**
- Look at the digit in the tens place, which is the second digit from the right in 5642.
2. **Determine the rounding rule:**
- If the digit in the units place (the rightmost digit) is 5 or more, we round the tens place digit up by 1. If it is less than 5, we keep the tens place digit the same.
3. **Round off to the nearest 10:**
- In 5642, the digit in the tens place is 4, which is less than 5.
- Therefore, when rounding 5642 to the nearest 10, we keep the tens place digit the same.
Therefore, 5642 rounded to the nearest 10 is 5640.
