What is 0.506 rounded in the hundredths

0.51 The hundredths place increases when it is higher than or equal to 5 in the thousandths place.

It's 0.51 because r ounding a number is when you take a number and "bump it up" 5 or above or "bump it down" 4 or below to a nearby and "cleaner" number. A number can be rounded to any place value you want. If you type in a number you wish to round below, and select what place value you want to round it to, this selection will show you how to round it!