Refer to the Graph Showing the Decay of a Radioactive

question 31

Multiple Choice

Refer to the graph showing the decay of a radioactive substance. If this substance started decaying 280,000 years ago, and 4 mg of it remains, there was roughly _______ mg of the original substance.

• A) 1
• B) 2
• C) 8
• D) 16
• E) 64

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Definitions:

Operations

The activities and processes used in making both tangible and intangible products.

Production

The activities and processes used in making tangible products; also called manufacturing.