Final answer:
To convert grams to kilograms, divide the number of grams by 1000. In this case, Anderson's package weighed 4.5 kilograms.
Step-by-step explanation:
To convert grams to kilograms, you need to divide the number of grams by 1000.
In this case, Anderson received a package that was marked 4500 grams. To find the weight in kilograms, divide 4500 by 1000: 4500 / 1000 = 4.5 kilograms.