Standard Form of 200+10+9+0.9

Place Value Chart
Hundreds Tens Ones Tenths
200 2 0 0 . 0
10 1 0 . 0
9 9 . 0
0.9 0 . 9
Addition of numbers as illustrated in the Place Value Chart:
2 0 0 . 0
1 0 . 0
9 . 0
0 . 9
2 1 9 . 9
In Standard Form: 200+10+9+0.9 = 219.9

The solution above and all other related solutions were provided by the Convert to Standard Form Application.