40000
43,678,426,785 rounded to the nearest ten thousands is 43,678,430,000
To round a four-digit number to the nearest ten thousand, first identify the ten thousand place, which is the first digit on the left. If the digit in the thousand place (the second digit) is 5 or greater, round up by adding 10,000 to the ten thousand digit. If it's less than 5, keep the ten thousand digit the same and round down to the nearest ten thousand, effectively changing the number to 0.
6400
The number 387,210 rounded to the nearest ten thousand is 390,000.
Zero
The number 57364 rounded to the nearest ten thousand would be 60000.
You can't round off this number in the nearest ten thousand simply because looking at this number it's only on the hundreds place.
20,000 as the number at thousand is 7 (7>5)
94999
404,999
Oh, what a lovely number! To round 374816 to the nearest ten thousand, we look at the digit in the ten thousand's place, which is 4. Since the digit to its right is 8, we round up, making 374816 rounded to the nearest ten thousand equal to 380000. Just a little adjustment to make our number feel cozy and snug.
Well, honey, the number you're looking for is 9000. It's gonna cozy up to 10,000 when you round to the nearest ten thousand, but it'll settle for 8000 when you round to the nearest thousand. So, there you have it, 9000 straddling the line like a pro.