Final answer:
85,380 rounded to the nearest 10,000 is 90,000, because you round up when the digit in the one thousand's place is 5 or higher.
Step-by-step explanation:
To round 85,380 to the nearest 10,000, you look at the digit in the one thousand's place, which is 5. If this digit is 5 or higher, you round up. If it is 4 or lower, you round down. In this case, since it is 5, you round up. Therefore, 85,380 rounded to the nearest 10,000 is 90,000.