If Electricity Costs $7.064 / \mathrm { kW } \cdot \mathrm { h }$

question 119

Multiple Choice

If electricity costs $7.064 / \mathrm { kW } \cdot \mathrm { h }$ , how much would it cost you to run a $120 - \mathrm { W }$ stereo system $4.0$ hours per day for $4.0$ weeks?

• A) \(\$ 2.66\)
• B) \(\$ 0.14\)
• C) \(\$ 0.95\)
• D) \(\$ 1.62\)

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Definitions:

Glaciers

Slow-moving rivers of ice formed by the accumulation and compaction of snow on mountains or near poles, which shape the land through erosion.

Sea Level

The average height of the ocean's surface between the high and low tide, used as a standard in reckoning land elevation or sea depths.

Ice Block

A large piece of ice, typically extracted from an ice field or frozen body of water.

Water Level

The height of the water surface in a given body of water, such as a river, lake, or ocean, which can vary due to various factors including precipitation and human intervention.