What is 0.506 rounded in the hundredths

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!

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