0.8637 rounded to the nearest hundredth

0.86

To round 0.8637 to the nearest hundredth, we need to look at the value of the thousandth place, which is the third digit after the decimal point.

Since the thousandth place value is 3, which is less than 5, we leave the hundredth place digit (6) unchanged.

Therefore, 0.8637 rounded to the nearest hundredth is 0.86.