Final answer:
The sentence should be: At 2,722 feet tall, the Burj Khalifa in Dubai became the tallest man-made structure in the world when its construction was completed in 2010.
Step-by-step explanation:
The subject of this question is English. The question is asking the student to correct the capitalization errors in a sentence. The sentence states that the Burj Khalifa in Dubai became the tallest man-made structure in the world when its construction was completed in 2010. The correct capitalization should be:
At 2,722 feet tall, the Burj Khalifa in Dubai became the tallest man-made structure in the world when its construction was completed in 2010.
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