Which of the Following Is the Most Reasonable Estimate of the Number

question 89

Multiple Choice

Which of the following is the most reasonable estimate of the number of characters (typed letters or numbers) in a 609-page book? Assume an average of 194 words per page and a reasonable average number of letters per word.

• A)5 × 10⁵ char
• B)5 × 10⁷ char
• C)5 × 10⁶ char
• D)5 × 10⁴ char

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Definitions:

Hot Spot

A volcanic region thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle, often resulting in volcanic islands.

Mantle Material

The rock and substances that make up the mantle, a thick layer between the Earth's crust and outer core.

Rising Plume

A column of hot, buoyant material within the mantle that rises due to convection, potentially leading to volcanic activity at the surface.

Subduction Zone

A region of the Earth's crust where one tectonic plate moves under another, often creating a trench and volcanic activity.