the fastest elevators in the Burj Khalifa can travel 330 feet in just 10 seconds how far does the elevator travel in 11 seconds
2 answers:
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The answer is A, 
. This is because when plugging in -2 for x, the expression will look like this: 
. To make the exponent positive, you have to flip it into a fraction. Then it will be 
. Lastly, you simplify the denominator into 81.