Scientific Notation with Word Problems

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

In the year 2000, the United States public debt was about 5.6 x 10¹² dollars.  The population of the United States in that year was about 2.8 x 10⁸ people.  What was the average debt per person?

• Add

• Subtract

• Multiply

• Divide

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? 

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• 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?

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• Subtract

• Multiply

• Divide

Jupiter's distance from the Sun is 4.8388 x 10⁸ miles. Earth's distance from the Sun is 9.29 x 10⁷ miles. What is the difference between these two distances in miles?

• 5.7 x 10⁸

  miles

• 3.9 x 10⁸

  miles

• 4.49 x 10¹⁶

  miles

• 5.2 x 10⁶

  miles

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 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? To solve we should...

• Add

• Subtract

• Multiply

• Divide

The table below shows the debt of the three most populous states and the three least populous states. What is the sum of the debts for the three most populous states? Express your answer in scientific notation.

• 892 x 10^6

• 1.02 x 10^12

• 892 x 10^3

• 1.02 x 10^7

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