Let’s go through each of these conversions, showing the steps and the factors used.

Problem Solutions

1. Convert 72 kg to grams

   • Conversion factor: $1 \text{ kg} = 1000 \text{ g}$
   • Calculation: $72 \text{ kg} \times 1000 = 72000 \text{ g}$
   • Answer: $72 \text{ kg} = 72000 \text{ grams}$

2. Convert 384 g to milligrams

   • Conversion factor: $1 \text{ g} = 1000 \text{ mg}$
   • Calculation: $384 \text{ g} \times 1000 = 384000 \text{ mg}$
   • Answer: $384 \text{ g} = 384000 \text{ milligrams}$

3. Convert 9 grams to hectograms

   • Conversion factor: $1 \text{ hg} = 100 \text{ g}$, or equivalently $1 \text{ g} = 0.01 \text{ hg}$
   • Calculation: $9 \text{ g} \times 0.01 = 0.09 \text{ hg}$
   • Answer: $9 \text{ grams} = 0.09 \text{ hectograms}$

4. Convert 2 dag to centigrams

   • Conversion factor: $1 \text{ dag} = 100 \text{ cg}$
   • Calculation: $2 \text{ dag} \times 100 = 200 \text{ cg}$
   • Answer: $2 \text{ dag} = 200 \text{ centigrams}$

5. Convert 4 kg to centigrams

   • Conversion factor: $1 \text{ kg} = 100000 \text{ cg}$
   • Calculation: $4 \text{ kg} \times 100000 = 400000 \text{ cg}$
   • Answer: $4 \text{ kg} = 400000 \text{ centigrams}$

6. Convert 55 grams to milligrams

   • Conversion factor: $1 \text{ g} = 1000 \text{ mg}$
   • Calculation: $55 \text{ g} \times 1000 = 55000 \text{ mg}$
   • Answer: $55 \text{ grams} = 55000 \text{ mg}$

Would you like further explanations or details on any specific part of these conversions?

Related Questions

1. How do you convert kilograms to milligrams directly?
2. What would be the conversion factor to go from hectograms to grams?
3. How do you convert centigrams to kilograms?
4. What is the relationship between decagrams and grams?
5. Can you convert 150 grams to centigrams?

Tip

When converting units, always double-check the conversion factor, especially when dealing with metric prefixes like kilo, centi, milli, etc., to avoid errors.