Final answer:
Fractions 3/10, 7/20, 14/25, and 4/5, when converted to decimal form, are 0.3, 0.35, 0.56, and 0.8 respectively. Thus, they are ordered from smallest to largest as 3/10, 7/20, 14/25, and 4/5.
Step-by-step explanation:
To order the fractions from smallest to largest, we can convert them to have a common denominator or convert them to decimal form to compare their values. The fractions given are 3/10, 7/20, 14/25, and 4/5. When converting to decimals or finding a common denominator, you will get the respective values: 0.3, 0.35, 0.56, and 0.8. Therefore, the fractions in order from smallest to largest are 3/10, 7/20, 14/25, and 4/5.