+6e8 is a numerical expression, commonly representing six hundred million (600,000,000). It is a concise form of [Scientific Notation](/wiki/Scientific_Notation) used to denote a [Large Number](/wiki/Large_Number) efficiently across various disciplines.
+## See also
+- [Number](/wiki/Number)
+- [Exponent](/wiki/Exponent)
+- [Order of Magnitude](/wiki/Order_of_Magnitude)