What is the answer when rounding 9999999 to the nearest million?

When rounding 9999999 to the nearest million, you would look at the digit in the millions place, which is the first digit from the right. In this case, the digit in the millions place is 9. Since 9 is greater than or equal to 5, you would round up to the next million. Therefore, the answer when rounding 9999999 to the nearest million is 10000000.