Solve the Problem $5 \times 10 ^ { 14 }$ Cubic Meters and the Volume of a Bacterium Is

question 56

Multiple Choice

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-Assume that the volume of the earth is $5 \times 10 ^ { 14 }$ cubic meters and the volume of a bacterium is $2.5 \times 10 ^ { - 16 }$ cubic meters. If the earth could be filled with bacteria, how many would it contain?

• A) \(5.0 \times 10 ^ { 31 }\) bacteria
• B) \(2.0 \times 10 ^ { - 30 }\) bacteria
• C) \(2.0 \times 10 ^ { 30 }\) bacteria
• D) \(5.0 \times 10 ^ { - 31 }\) bacteria

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Definitions:

Iconic Memory

A form of sensory memory that temporarily stores visual information and has a very brief retention period.

Implicit Memory

A type of long-term unconscious memory that doesn't require deliberate recall, often influencing thoughts and behaviors.

Explicit Memory

A type of long-term memory that involves conscious recollection of specific facts and events.

Automatic Processing

Mental tasks that are performed with minimal effort or consciousness.