What is 239 to the nearest 100?

239 to the nearest 100 is 200. When rounding a number to the nearest 100, you look at the digit in the tens place. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, the tens digit in 239 is 3, so you round down to the nearest 100, which is 200.