Final answer:
To convert a toddler's weight from lb to kg, divide the weight in pounds by 2.205. The toddler's weight of 17 lb 9 oz is approximately 7.96 kg.
Step-by-step explanation:
To convert a toddler's weight from lb to kg, you need to know that 1 lb is approximately 0.4536 kg. First, convert the weight from pounds to kilograms by dividing the weight in pounds by 2.205. In this case, 17 lb + 9 oz is approximately 17.5625 lb. After converting to kg, the toddler's weight is approximately 7.96 kg.