20. since the number after the decimal point is over fifty, it rounds up tp 20
20
To the nearest whole number, 20
You would round it UP - to 20.
To the nearest whole number: 20
19 is approximate to 20 rounded off to the nearest 10.
15
20
24
16, 17, 18, 19
180.54 to the nearest whole number = 181
You round off the number 16 to the nearest ten by rounding up to 20. You look at the number to the right of the number you want to round, if it is a 5 or above you round up and if it is a 4 or under you round down.