Power of 10

Win 10 billion dollars in the popular show Power of 10! All that you are to do is to give the right answer, which will not go beyond the scope of the percent bracket where the correct answer lies. With every answer the limits of the allowed mistake become narrower and it becomes more difficult to guess the answer..

Each correct answer enlarges your current prize in 10 times! Answer all the 10 questions to win the great prize! But there's more to come; you may challenge your friends and determine which one of you is the best in anticipating public opinion!