To round 872 to the nearest 100, we look at the digit in the tens place, which is 7. Since 7 is greater than or equal to 5, we round up the hundreds place by 1. Therefore, 872 rounded to the nearest 100 is 900.
Well, honey, 872 rounded to the nearest 100 is 900. It's not rocket science, just bump that bad boy up to the nearest century and call it a day. Hope that clears things up for ya!