10 percent of 8 billion = 0.810 percent of 8 billion = 0.810 percent of 8 million = 0.810 percent of 8,000,000 = 0.810 percent of 8,000,000,000 = 0.810 percent of 8,000,000,000,000 = 0.810 percent of 8,034,204,101 = 0.810 percent of 8,045,311,447 = 0.810 percent of 8,045,311,447 = 0.810 percent of 8,100,000,000 = 0.8