Question: An athlete eats 0.2 kg of protein per week while training. How much protein will she eat during 9 weeks of training? Write your answer in grams. Conversion facts for mass 1 g (g) = 1000 milligrams (mg) 1 kilogram (kg) = 1000 grams (g)
1. **State the problem:** We need to find the total amount of protein an athlete eats in 9 weeks if she eats 0.2 kg per week.
2. **Formula:** Total protein = protein per week \( \times \) number of weeks
3. **Calculate total protein in kilograms:**
$$\text{Total protein} = 0.2 \text{ kg/week} \times 9 \text{ weeks} = 1.8 \text{ kg}$$
4. **Convert kilograms to grams:**
Since $$1 \text{ kg} = 1000 \text{ g}$$,
$$1.8 \text{ kg} = 1.8 \times 1000 = 1800 \text{ g}$$
5. **Final answer:**
The athlete will eat $$\boxed{1800}$$ grams of protein during 9 weeks of training.