Answer :

To convert a given weight from pounds and ounces to kilograms, follow these steps:

1. Understand the Conversion Factors:
- There are 0.453592 kilograms in one pound.
- There are 0.0283495 kilograms in one ounce.

2. Separate the Given Weights:
- You have 8 pounds.
- You also have 4 ounces.

3. Convert Pounds to Kilograms:
- Convert the weight in pounds to kilograms:
[tex]\[ 8 \text{ pounds} \times 0.453592 \text{ kg/pound} = 3.628736 \text{ kg} \][/tex]

4. Convert Ounces to Kilograms:
- Convert the weight in ounces to kilograms:
[tex]\[ 4 \text{ ounces} \times 0.0283495 \text{ kg/ounce} = 0.113398 \text{ kg} \][/tex]

5. Total Weight in Kilograms:
- Add the kilograms obtained from pounds and ounces to get the total weight in kilograms:
[tex]\[ 3.628736 \text{ kg} + 0.113398 \text{ kg} = 3.742134 \text{ kg} \][/tex]

Therefore, [tex]\(8\)[/tex] pounds and [tex]\(4\)[/tex] ounces is equal to approximately [tex]\(3.742134\)[/tex] kilograms.