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Chapter 1: Problem 60
Gym lockers are to be numbered from 1 through 99 using metal numbers to be nailed onto each locker. How many \(7 \mathrm{~s}\) are needed?
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Use Polya's four-step method in problem solving to solve. The members of the Student Activity Council on your campus are meeting to select two speakers for a month-long event exploring why some people are most likely to succeed. The choices are Bill Clinton, Sean Combs, Donald Trump, Oprah Winfrey, and Tiger Woods. How many different ways can the two speakers be selected?
Determine each estimate without using a calculator. Then use a calculator to perform the computation necessary to obtain an exact answer. How reasonable is your estimate when compared to the actual answer? A full-time employee who works 40 hours per week earns \(\$ 19.50\) per hour. Estimate that person's annual income.
Describe one way in which you use estimation in a nonacademic area of your life.
American children ages 2 to 17 spend 19 hours 40 minutes per week watching television. (Source: TV-Turnoff Network) From ages 2 through 17, inclusive, estimate the number of days an American child spends watching television. How many years, to the nearest tenth of a year, is that?
Determine each estimate without using a calculator. Then use a calculator to perform the computation necessary to obtain an exact answer. How reasonable is your estimate when compared to the actual answer? A full-time employee who works 40 hours per week earns \(\$ 29.85\) per hour. Estimate that person's annual income.
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