To convert the whole number 2750 to a decimal using long division, you would divide it by 1000 (which is equivalent to moving the decimal point three places to the left since 2750 is a whole number).
When you perform the division \( 2750 \div 1000 \):
- Set up the division: 2750 divided by 1000 equals 2.75, which can also be expressed as 27.50.
Thus, the correct conversion of 2750 to a decimal is:
27.5
So, the answer is: 27.5