Question

nearest 100,000: 2,748,091

Explanation:

Step1: Identify the 100,000 place

The number is 2,748,091. The digit in the hundred-thousands place is 7, representing $7\times100,000 = 700,000$.

Step2: Check the ten-thousands digit

The digit to the right of the hundred-thousands place is 4, which is less than 5.

Step3: Round down to nearest 100,000

Keep the hundred-thousands digit unchanged, set all digits to the right to 0.
$2,700,000$

Answer:

2,700,000