This year consumers purchased 5,234,267,990 bottles of water. Last year
consumers purchased 1,000,900,999 bottles of water. Which is the best
estimate of the number of bottles sold this year and last year?
OA) 4,000,000,000
OB) 6,000,000,000
OC) 6,235,168,989
OD) 7,000,000,000