Answer:
21%, 0.21, 11/50, 2/9
Explanation:
To arrange from least to greatest, we need to first express all as percemtage;
2/9 = 2/9 * 100 = 200/9 = 22.2%
21% = 0.21
0.21 = 0.21 * 100 = 21%
11/50 = 11/50 * 100 = 11*12 = 22%
Hence the values from least to greatest is 21%, 0.21, 11/50, 2/9