Scientific Notation Word

Problems

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

There are about 3.5 x 105 whales in the world. Likewise, there are approximately 1.70245 x 108 dolphins believed to exist in the world.

1)How many more dolphins exist than whales?

2)About how many whales and dolphins exist in total?

• In 2012 there was an estimated 1.276 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?

• The Memphis Grizzlies play in the FedEx Forum. The FedEx Forum can hold approximately 1.8119 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?

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

• 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?

• It was estimated that about 5.89229 x 105 people attended the Wilson County fair in 2013. If the same amount of people attended the fair for 5 more years, then how many people would have attended total?

• The population in Mexico is about 1.123 x 108. In Canada the population is approximately 3.413 x 107. What is the total population of Mexico and Canada combined?

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

Year Population2013 1.351 x 109

1963 6.823 x 108

Population of China

How many more people lived in China in 2013 than 1963?