Numbers: Nov. 6, 2006

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241 Number of public schools in the U.S. that have some single-sex classes. The total will probably grow--the Department of Education last week relaxed rules that had limited single-gender education

3 Number of public schools that offered single-sex classes in 1995

$5 million Amount to be paid to the winner of the Mo Ibrahim Prize for Achievement in African Leadership, created by a Sudanese-born tycoon to honor African leaders for corruption-free rule. The prize eclipses the Nobel ($1.4 million) as the world's richest

$148 billion Estimated annual cost of corruption in Africa--25% of the continent's GDP--including lost tax revenue and deterred investment

92% Lung-cancer patients' 10-year survival rate when Stage I cancer is detected and treated early. A new study by researchers at New York--Presbyterian Hospital and Weill Cornell Medical Center suggests annual CT lung scans could save millions of lives

162,460 Annual deaths from lung cancer in the U.S.

10 Jersey number chosen in 1996 by St. Louis Cardinals manager Tony La Russa to mark his determination to win a 10th World Series

1,850 Games played by La Russa's Cards before they beat Detroit 4-2--and grabbed that 10th title

Sources: USA Today (2); Global News Service; New York Times; American Cancer Society (2), Fox News; MLB