How many significant digits are in the number 8,600?

Fill in the blank(s) with the appropriate word(s).


Answer: 2

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The production possibilities curve in the current period

A) Reflects only the most efficient combinations of two products to generate revenue. B) Reflects only the most efficient combination of two inputs to generate revenue. C) Reflects all of the combinations of two products to generate revenue. D) None of the above

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All of the following statements are true EXCEPT:

A. leather does a good job around moisture or higher temperatures (above 2000F). B. felt is a material that is sometimes used to keep out dirt. C. to tell if a used seal is synthetic rubber or leather, scratch its surface. It will turn to a rougher, lighter color like brown or beige if it is leather. D. felt does not do a good job of keeping oil confined and can also absorb water, contributing to rusting.

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A boot in a duct system is a fitting used ____.

A. at the plenum B. between the trunk duct and the branch duct C. between the branch duct and the supply register D. to eliminate vibration between the unit and the duct

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Which of these items is checked in a pre-trip inspection?

a. Wiper blades. b. Cargo securement. c. Whether all vehicle lights are working and are clean. d. All of the above.

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