3.16228 rounded to the nearest tenth

3.2

Step-by-step explanation:

it is 3.2 because, you look at the 2nd number after the decimal and if it is 5 or larger you round up and if it is 4 or less you round down. So in this case you would be rounding up which makes the 1 a 2.

3.2

Step-by-step explanation:

you have to go to the tenths place then look behind it and if that number is 5 or higher then you change the tenths place into one number higher