A Cheeseburger from a Fast Food Restaurant Contains 19 G

A cheeseburger from a fast food restaurant contains 19 g of fat,20 g of carbohydrate,and 28 g of protein.How many kcal of energy does the cheeseburger contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.) Give the answer to 2 significant figures.

A) 70.kcal
B) 360 kcal
C) 17 kcal
D) 630 kcal
E) 280 kcal

Correct Answer:

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