Round to the Nearest Tenth Unless Indicated Otherwise

question 367

Multiple Choice

Round to the nearest tenth unless indicated otherwise.
-At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.48 ohm when the diameter is 1 mm and the length is
240 cm, what is the resistance when the diameter is 3 mm and the length is 430 cm?

• A) 22.9 ohm
• B) 0.1 ohm
• C) 47.8 ohm
• D) 0.3 ohm

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Definitions:

Economic Development

Activities and policies aimed at improving the economic well-being and quality of life of a community or country, including job creation, infrastructure improvements, and business support.

Mixed Regime

A form of government that combines elements of democracy, oligarchy, and monarchy, theoretically balancing the principles of freedom, equality, and stability.

Montesquieu

A French political philosopher of the Enlightenment who articulated the theory of separation of powers, a foundation for many modern democratic governments.

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The power of courts to assess whether a law or governmental action is consistent with the Constitution and, if not, to declare it invalid.