Question
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Determine the following 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 per year, estimate that person’s hourly wage by rounding the annual income to the nearest ten thousand. Use the estimate that there are 50
weeks in a year.
The estimate of that person’s hourly wage is approximately .
(Round to the nearest dollar as needed.)

Ask by Campbell Tran. in the United States
Jan 23,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The estimated hourly wage is $35, which matches the exact calculation of $35.

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Beyond the Answer

To estimate the person’s hourly wage, we can round the annual income of to the nearest ten thousand, which gives us . Now, we divide this amount by the total number of hours worked in a year. If the person works 40 hours per week for 50 weeks, that equals hours in a year.
Now, if we calculate:
So, the estimate of that person’s hourly wage is approximately .
To find the exact hourly wage, we divide the actual income by the total hours:
When rounded to the nearest dollar, this gives us . Thus, our estimate of is spot on with the actual hourly wage! Isn’t that fantastic?
The magic of estimation allows you to quickly zero in on a reasonable figure without extensive calculations, proving useful in everyday situations where time is of the essence. Plus, it’s always good to double-check with an exact figure just to confirm those estimations are on track!

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