## 8.EE.A.3 - Use numbers expressed in the form of a single digit times a whole-number power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. *For example, estimate the population of the United States as 3 times 10*^{8} and the population of the world as 7 times 10^{9}, and determine that the world population is more than 20 times larger.

^{8}and the population of the world as 7 times 10

^{9}, and determine that the world population is more than 20 times larger.