Question

In 2014, the population of the world was about 7,125,000,000 people.

Choose the best approximation of the world population in 2014.
Choose 1 answer:
7x10^8 people
7x10^9 people

Answer 1

the answer is 7x10^9

Explanation:

Answer 2

7x10^9 people

Explanation:

7x10^8 people is equivalent to 700,000,000 people. That is not right. The answer should be the second option.