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Chapter 1: Problem 57

In this era of calculators and computers, why is there a need to develop estimation skills?

Short Answer

Expert verified
Even in the era of calculators and computers, estimation skills are essential for quick approximations, enabling one to assess the correctness of an answer provided by a machine. They prove beneficial in real-life, classroom, or job situation for swift estimations. These skills also contribute to reducing over-dependence on technology and promoting better cognitive abilities.

Step by step solution

01

Understand the Importance of Estimation Skills

Estimation skills are important even in the era of calculators and computers for several reasons. First, they allow for quick approximations and can help determine whether the answer from a calculator or computer is in the right ballpark.
02

Identify Situations where Estimation Skills are Beneficial

Real-life situations where estimation skills are beneficial include shopping (to quickly figure out if one has enough money to pay for the items), in a job situation (to estimate the time or resources required for a task), or in the classroom (to quickly verify the correctness of an answer)
03

Keep the Human Factor in Mind

Lastly, estimation skills can make one less reliant on calculators and computers, leading to a healthy balance between technology and mental calculation capabilities. They also contribute to better cognitive function by boosting problem-solving, mental flexibility, and number sense.

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Most popular questions from this chapter

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?

Obtain an estimate for each computation by rounding the numbers so that the resulting arithmetic can easily be performed by hand or in your head. Then use a calculator to perform the computation. How reasonable is your estimate when compared to the actual answer? \(0.79 \times 414\)

Use Polya's four-step method in problem solving to solve. An automobile purchased for \(\$ 34,800\) is worth \(\$ 8550\) after 7 years. Assuming that the car's value depreciated steadily from year to year, what was it worth at the end of the third year?

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? If a person who works 40 hours per week earns \(\$ 38,950\) per year, estimate that person's hourly wage.

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 celebrating artists and entertainers. The choices are Johnny Depp, Jamie Foxx, Jon Stewart, and Hilary Swank. How many different ways can the two speakers be selected?
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