To express the number 23.757 in expanded form, we break it down based on the place value of each digit:
- The digit '2' is in the tens place:
- The digit '3' is in the ones place:
- The digit '7' is in the tenths place:
- The digit '5' is in the hundredths place:
- The digit '7' is in the thousandths place:
So, the expanded form is:
Therefore, the correct answer is: