what is 391,024 rounded to the nearest hundred thousand?

Explanation:

Step1: Identify the hundred - thousand place

The digit in the hundred - thousand place of 391,024 is 3.

Step2: Look at the digit to the right

The digit to the right of 3 (in the ten - thousand place) is 9. Since 9 ≥ 5, we round up.

Step3: Round the number

When we round 391,024 to the nearest hundred - thousand, it becomes 400,000.

Answer:

400,000