1. 3.69/0.3 = 12.3
2. 0.0338/1.3 = 0.026
3. 2.943/2.7 = 1.09
4. 5.75/1.85 = 3.108
5. Rounding is helpful when you divide and have a repeating number or when you just have a repeating number. An example would be a fraction with 9 or 11 as a denominator.