If you mean 2.3 then as a whole number it is rounded off to 2.0 or 2 because .3 is less than .5
20
20
20
20 rounded to the nearest ten- 20 20 rounded to the nearest one- 20
if it was $7, you would round it to $10 if it was $23 it would be rounded to $20
20
23?
23
20
..23?
20 is already rounded to the nearest ten.
23