Okay when you are rounding you need to remember 5 or more you round up and 4 or less you round down. 285.21. the tenths are behind the decimal. It goes tenths, hundredths, thousandths......ect. so now we look at the number behind the place we are rounding so we look at the 1 it is less than 4 so we round down. ANSWER:285.20 or 285.2
