Final answer:
The number of businesses that fail annually in the U.S. cannot be determined based on the information provided. However, a significant number of businesses do fail each year.
Step-by-step explanation:
Based on the information provided, it is not possible to determine the exact number of businesses that fail annually in the U.S. However, the U.S. Small Business Administration reported that in 2009-2010, 593,347 businesses exited while 533,945 entered. This indicates that a significant number of businesses fail each year.