The Petronas Towers in Kuala Lumpur, Malaysia, are 1,483 feet tall. The Key Tower in Cleveland, Ohio, is 947 feet tall. How is the difference in height between the Petronas Towers and Key Tower expressed in standard scientific notation?
5.36 × 10 1 feet
5.36 × 10 2 feet
5.36 × 10 3 feet
5.36 × 10 4 feet