Answer:
In short: 432985 rounded to the nearest ten thousand is 430000.
Explanation:
Step 1: Locate and underline the ten thousands place (3) then look at the digit to the right (2):
432985
Step 2: The digit to the right (2) is 4 or below. So, we replace it by a 0 (zero) to get 430000 as the answer.