1. Scientific Notation Word Problems

2. Key Terms for Word Problems
“About how many more” and “How many more” are key words you often see for ___________ problems Words such as “total,” “combined,” and “all together” are often used for __________ and ___________ problems

3. There are about 3. 5 x 105 whales in the world
There are about 3.5 x 105 whales in the world. Likewise, there are approximately x 108 dolphins believed to exist in the world.
How many more dolphins exist than whales?
About how many whales and dolphins exist in total?

4. In 2012 there was an estimated 1. 276 x 108 people that lived in Japan
In 2012 there was an estimated x 108 people that lived in Japan. The 2012 population in South Korea was about 5 x 107. About how many more people lived in Japan than in South Korea in 2012?

5. The Memphis Grizzlies play in the FedEx Forum
The Memphis Grizzlies play in the FedEx Forum. The FedEx Forum can hold approximately x 104 people. If the Grizzlies play 41 games in the FedEx Forum and all of the seats were full for all of the games, how many people were there total?

6. A fireman in Tennessee makes about
$ 4.2 x 104 per year. How much money would the fireman earn in 12 years?

7. Jay Z has earned an estimated $ 4. 2 x 107 in his career
Jay Z has earned an estimated $ 4.2 x 107 in his career. Likewise, Beyonce has earned around $ 5.3 x 108 in her career. About how much more money has Beyonce earned than Jay Z?

8. It was estimated that about 5
It was estimated that about x 105 people attended the Wilson County fair in If the same amount of people attended the fair for 5 more years, then how many people would have attended total?

9. The population in Mexico is about 1. 123 x 108
The population in Mexico is about x 108. In Canada the population is approximately x 107. What is the total population of Mexico and Canada combined?

10. There are about 4. 6 x 101 baseballs used in one baseball game
There are about 4.6 x 101 baseballs used in one baseball game. What would be the number of baseballs used in 165 games?

11. Year Population Population of China
2013
1.351 x 109
1963
6.823 x 108
How many more people lived in China in 2013 than 1963?