What is 500 million times 2?

Zynga Poker 500 million chips free 500 million Over 500 million years ago, weird complex creatures emerged on Earth Scientists now think they know why 500 million Simulating 500 million years of evolution with a language model Tomas Hayes, Roshan Rao, Halil Akin, Nicholas J Sofroniew, Deniz Oktay, View

500 monthly lottery 500-million-year-old alien-like sea creature discovered in Canada More than 500 million years ago, something in the ocean changed