
Concept explainers
Group Exercise
Putting Numbers into Perspective. A large number can be put into perspective by comparing it with another number For example, we put the $18.9 trillion national debt in perspective (Example 12) by comparing this number to the number or U.S. citizens.
For this project, each group member should consult an almanac, a newspaper, or the Internet to rind a number greater than one million. Explain to other members of the group the context in which the large number is used. Express the number in scientific notation. Then put the number into perspective by comparing it with another number.

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