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Rework Exercise 57, Exercises 6.4.
57. SENIOR Citizens The U.S. population aged 65 years and older (in millions) from 2000 to 2050 is projected to grow at the rate of
where t is measured in decades, with t = 0 corresponding to 2000. By how much will the population aged 65 years and older increase from the beginning of 2000 until the beginning of 2030?
Hint: Multiply the integrand by
Source: U.S. Census Bureau.
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