Use the Properties of Logarithms to Find the Exact Value $\log _ { 4 } 21 \cdot \log _ { 21 } 64$

question 427

Multiple Choice

Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.
- $\log _ { 4 } 21 \cdot \log _ { 21 } 64$

• A) 21
• B) 4
• C) 64
• D) 3

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Definitions:

Jet Stream

A fast flowing, narrow air current found in the atmospheres of some planets, including Earth, typically at the altitude of the boundary between the troposphere and the stratosphere.

Tropical Cyclone

A rapidly rotating storm system characterized by a low-pressure center, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain, typically forming over warm tropical oceans.

Tornado

A violently rotating column of air extending from a thunderstorm to the ground, capable of devastating destruction.

Abyssal Zone

A deep section of the ocean, characterized by very high pressure, low temperatures, and complete darkness.