If an Isotope Has a Half- Life of 4 Million

question 40

Multiple Choice

If an isotope has a half- life of 4 million years,and a fossil is 16 million years old,how much of the original isotope will be found in the fossil?

• A)one- eighth of the original amount
• B)one- quarter of the original amount
• C)one- sixteenth of the original amount
• D)half the original amount

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Definitions:

Scientific Management

A management theory developed by Frederick Taylor, focusing on improving economic efficiency and labor productivity through systematic observation and measurement.

Deliberate Tasks

Activities consciously planned and executed to achieve a specific goal.

Overspecialized Work

work that is narrowly defined and requires a very specific set of skills or expertise, potentially leading to limitations in adaptability and opportunities.

Time And Motion Studies

Systematic observations and analyses of tasks to improve efficiency by reducing the time required to complete them and eliminating unnecessary motions.