Strontinum-90 Has a Half Life of 29 $S = 100 e ^ { - 0.0238 t }$

question 6

Multiple Choice

Strontinum-90 has a half life of 29.1 years.The amount S of 100 kilograms of Strontinum6990 present after t years is given by $S = 100 e ^ { - 0.0238 t }$ How much of the 100 kilograms will remain after 50 years?

• A)about 31.4 kilograms
• B)about 35.4 kilograms
• C)about 30.4 kilograms
• D)about 37.4 kilograms
• E)about 40.4 kilograms

Distinguish between fixed-size arrays and dynamic arrays, specifically ArrayLists.

Recognize and apply various ArrayList methods for manipulating and querying data.

Understand memory management techniques for optimizing ArrayList usage.

Grasp the limitations and disadvantages of using ArrayLists.

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Definitions:

Labour Force

The total number of people who are employed or actively seeking employment.

Functionalism

A sociological perspective that views society as a complex system whose parts work together to promote solidarity and stability.

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Post-industrialization

A phase in economic development where a society transitions from a manufacturing-based economy to one focused on services and technology.