Scientific Notation Word

The US spends an average of 1.02x10⁴ dollars on each student per year.  There are about 7.6x10⁷ students in the US.  About how much money total is spent on students per year?

• 7.752 x 10¹¹

• 7.752 x 10²⁸

• 8.62 x 10¹¹

• 8.62 x 10²⁸

As part of a community service project, a class planted 7x10⁵  trees in a year.  If there are 3.5x10³ students in the school, how many trees did each student plant?

• 2 x 10⁸

• 2 x 10²

• 3.5 x 10⁸

• 3.5 x 10²

A TV show had 3.5 × 10⁶ viewers for their first episode and 8.5 × 10⁶ viewers for their second episode. How many viewers did they have overall?

• 1.2 x 10⁷

• 1.2 x 10^-7

• 1.2 x 10⁶

• 1.2 x 10^-6

In 2012, New York City (NYC) and Los Angeles (LA) has the highest populations of any cities in the United States. NYC’s population was about 8.1 × 10⁶ and LA’s population was about 3.8 × 10⁶. What is the population of these two cities combined?

• 19 x 10^-7

• 19 x 10⁷

• 11.9 x 10⁶

• 19 x 10⁶

The US spends an average of 1.02x10⁴

dollars on each student per year.

There are about 7.6x10⁷ students in the US.

About how much money total is spent on

students per year?

• 7.6 x 10⁷

  dollars per year

• 7.598 x 10⁶

  dollars per year

• 7.7 x 10¹¹

  dollars per year

• 7.45 x 10³

  dollars per year

The population of Algeville is 1.3 x 10⁴. The population of Mathville is 5.6 x 10³. How many more people are there in Algeville?

• 4.3 x 10²

  more people

• 7.4 x 10³

  more people

• 1.86 x 10⁴

  more people

• 7.28 x 10⁷

  more people

In 1985 Earth had 4.9 × 10⁹ people living on it and in 2005, Earth had 6.4 × 10⁹ living on it. How many more people inhabited Earth in 2005 than in 1985?

• 11.3 × 10⁹

  more people

• 2.5 × 10¹⁸

  more people

• 1.5 × 10⁹

  more people

• 1.13 × 10¹⁰

  more people

As part of a community service project,

a school planted 7x10⁵ trees in a year.

If there are 3.5x10³ students in the school,

approximately how many trees did

each student plant?

• 703 trees per student

• 695 trees per student

• 245 trees per student

• 200 trees per student

The Colorado Department of Education spent about 4.408 x 10⁹ in fiscal year 2004-2005 on public schools.  There were about 7.6 x 10⁵ students enrolled in public school.  What was the average spending per student? 

• Add

• Subtract

• Multiply

• Divide

There are approximately 3.1 x 10⁸ people in the United States. If each person has 4.1 x 10¹ coins, how many coins are there altogether?

• Add

• Subtract

• Multiply

• Divide