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Uranium-235 Has a Half-Life of 7

question 42

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Uranium-235 has a half-life of 7.04 × 108 years.How many years will it take for 99.9% of a U-235 sample to decay?


Definitions:

Reinforcer

An element or event that increases the likelihood of a behavior being repeated.

Planned Activity

An organized, intended action or set of actions developed in advance.

Organizational Objective

A specific goal that an organization aims to achieve, which directs its internal decision-making and strategy.

Change

The process or act of making something different than it was before, involving alteration or transformation in structure, appearance, or behavior.

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