Standard Form of 200+10+9+0.4

Place Value Chart
Hundreds Tens Ones Tenths
200 2 0 0 . 0
10 1 0 . 0
9 9 . 0
0.4 0 . 4
Addition of numbers as illustrated in the Place Value Chart:
2 0 0 . 0
1 0 . 0
9 . 0
0 . 4
2 1 9 . 4
In Standard Form: 200+10+9+0.4 = 219.4

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