Final answer:
a: Sixty-nine million, four hundred seventy thousand. The correct answer to how to write the number 69,470,000 using the number word million is option
Step-by-step explanation:
The correct answer is option To write the number 69,470,000 using the number word million, we simply express each part of the number in terms of millions, thousands, and so on.
There are no decimals involved, so option b is incorrect as it includes decimals. Options c and d are incorrect as well because they add additional numbers that are not part of the original number 69,470,000.
To round the number to one decimal place in the format of millions, we look at the digit in the hundred thousands place since this will determine if the millions value increases when we round. In 69,470,000, the digit in the hundred thousand place is a 4, which means we do not round up. Thus, the rounded number to one decimal place in millions remains
Other options are incorrect due to adding decimals or extra numbers. When rounded to one decimal place in millions, the number remains Sixty-nine million.