Question

The U.S. Department of Transportation estimates that citizens own more than 12,720,000 registered boats. Which shows this number rounded to the nearest ten million? A. 10,000,000 B. 12,000,000 C. 13,000,000 D. 20,000,000

Answer 1

A 10,000,000 because 5 or more add one more 4 or less let it rest 2 is less than 5 so it becomes a zero so the answer is 10,000,000

Answer 2

A. 10000000  It's because 2720000 is smaller than 5000000.  
I hope I helped:)