CONCEPT CHECK Use mental techniques to answer the question.
The 2010 U.S. Census gave the population of Alabama as 4,780,000, where 26.0% were African-Americans. What is the best estimate of the African-American population in Alabama? (Source: U.S. Census Bureau.)
A. 500,000
B. 750,000
C. 1,250,000
D. 1,500,000
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