Final answer:
To order the numbers from least to greatest, convert the mixed numbers to improper fractions, order the improper fractions, and then convert them back to mixed numbers.
Step-by-step explanation:
- Convert each mixed number to an improper fraction.
- Order the improper fractions from least to greatest.
- Convert the improper fractions back to mixed numbers.
Therefore, the correct order from least to greatest is 3 9/14, 9 3/7, 9 8/11.