Round the number 43,678.426785 to the nearest ten thousand

40,000 or 50,000. 43,678 is less than half way to 50,000 so 40,000 is to the nearest 10,000.

To round the number 43,678.426785 to the nearest ten thousand, follow these steps:

1. Identify the place value of the ten thousand digit. In this case, the ten thousand digit is the fourth digit from the right.

2. Look at the digit to the right of the ten thousand digit, which is the thousand digit. If this digit is 5 or greater, you will round up the ten thousand digit. If it is less than 5, you will round down.

3. In our example, the digit to the right of the ten thousand digit is 6. Since 6 is greater than 5, we will round up the ten thousand digit.

4. Round up the ten thousand digit to the next higher value. In this case, the ten thousand digit is 4, so we will round it up to 5.

5. Replace all the digits to the right of the ten thousand digit with zeros. This step ensures that we have rounded to the nearest ten thousand.

6. Therefore, rounding 43,678.426785 to the nearest ten thousand gives us 40,000.