round each number to the place of the underlined digit 165,023,912 the one is underline?

If the first 1 is underlined, the number is 2,000,000.

If the second 1 is underlined, the number is 165,023,910

165,023,912

165,023,910

To round the number 165,023,912 to the place of the underlined digit (which is the one), follow these steps:

1. Identify the place value of the underlined digit. In this case, the underlined digit is in the millions place.
2. Look at the digit to the right of the underlined digit (in this case, the digit to the right of one). If the digit is 5 or greater, round up. If the digit is less than 5, round down.
3. Since the digit to the right of one (the millions place) is 6, which is greater than 5, we round up.
4. Increase the underlined digit (one) by 1 (since we're rounding up), and change all the digits to its right to zeros.
Therefore, rounding 165,023,912 to the millions place gives us 200,000,000.

So, when rounding the number 165,023,912 to the place of the underlined digit (the millions place), the result is 200,000,000.