6.9 rounds to 7.
9.5
543 rounded to the nearest tens place is 540.
The two whole numbers next to 28.02 are 28 (smaller than 28.02) and 29 (bigger). Since there are no whole numbers that are between 28 and 29, whichever is the nearer of these two must be the nearest. The distances from 28.02 t these numbers are: 28.02 - 28 = 0.02 and 29 - 28.02 = 0.98 The first of these is the smaller difference so 28 is the nearest whole number.
It is: 400
It is already a whole number as 1220
6.9 rounds to 7.
I.83 is already rounded to the nearest hundredth
65.278 rounded to the nearest tenths place is 65.3
18.15
29.1
9.5
543 rounded to the nearest tens place is 540.
120
237000
27.0
2.67