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.
Math is a Language of Symbols. In math, symbols are the main part of the concise, specific language that we use. In this lesson, we will try to stick with the symbols that would be used most often.Note that a number of symbols are not always available in certain kinds of software, so we have alternatives.quare brackets that look like this: and curly brackets that look like this: { }. are used to group items together. Grouping symbols are used to tell you to do the math of the items in the group first.