Question

The world population in 2013 was about 7.125 billion. In 2003, it was about 6.357 billion. Which number represents the increase in the world population between 2003 and 2013?

A.
0.0768 × 107
B.
0.768 × 108
C.
7.68 × 109
D.
7.68 × 108

Answer 1

D. 7.68 × 10^8

Explanation:

Answer 2

D.

7.68 × 108

Explanation:

World population in 2013 was about 7.125 billion

In 2003 , it was about 6.357 billion

Increase = 2013 population- 2003 population

That’s 7.125 billion - 6.357 billion = 0.768 billion

A billion has 9 zeros. When you move The point one place to the right , it reduces the number of zeros by one. you now have

7.68 x 10^8