Concept explainers
Population Growth The double-bar graph illustrates the predicted population explosion by the year 2050. Use this graph to answer exercises 13–-20.
When we work with large numbers such as millions and billions, we can simplify the calculations if we write the words million or billion in place of the zeros. For example, to subtract
Which of the five countries is predicted to have the largest increase in population from the year 2006 to 2050?
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Prealgebra (6th Edition)
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