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A Radioactive Substance Decays Exponentially

question 15

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A radioactive substance decays exponentially.If 700 grams were present initially and 300 grams are present 100 years later,how many grams will be present after 400 years? Round your answer to two decimal places,if necessary.


Definitions:

Common Sense

Practical judgment concerning everyday matters or a basic ability to perceive, understand, and judge things shared by nearly all people.

Naturalistic Observation

A research method in which subjects are observed in their natural environment without any manipulation by the researcher.

Grocery Shoppers

Individuals engaged in purchasing food and other items for home use from grocery stores or supermarkets.

Behavior Recording

A method used to document and track specific actions or behaviors over a period of time for analysis.

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