A Radioactive Substance Decays Exponentially

question 15

Multiple Choice

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.

• A)22.37 grams
• B)21.12 grams
• C)0)00 grams
• D)23.62 grams

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Definitions:

Average Cost

The average amount it costs to produce one unit of goods or services, calculated by dividing the total cost of production by the total number of units produced.

Ending Inventory

The value of goods available for sale at the end of an accounting period, crucial for calculating cost of sales and net income.

Fire Screens

Protective screens placed in front of fireplaces to prevent sparks and embers from escaping into the room.

Retail Values

The total price at which goods or services are sold to the public, inclusive of any markup costs.