And as the Centers for Disease Control and Prevention sounds the alarm about a worsening heroin epidemic here in the U.S., opium production in Afghanistan shows no signs of slowing down. Afghanistan has roughly 500,000 acres, or about 780 square miles, devoted to growing opium poppy. That's equivalent to more than 400,000 U.S. football fields â including the end zones, John Sopko, Special Inspector General for Afghanistan Reconstruction, said in a speech in May.
Quick Answer. The mathematical symbol for average is an italicized x with a horizontal line over it. The most common type of average is the mean, though other types exist. Continue Reading.
The infinity symbol is a mathematical symbol that represents an infinitely large number. The infinity symbol is written with the Lemniscate symbol: â. It represents an infinitely positive big number.