The Half Life of Carbon 14 Is 5730 Years

question 96

Multiple Choice

The half life of carbon 14 is 5730 years. If a 1-gram sample of old carbon is 1/8 as radioactive as 1-gram of a current sample, then the age of the old sample is about

• A) 11,500 years.
• B) 46,000 years.
• C) 716 years.
• D) 17,200 years.
• E) 22,900 years.

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Definitions:

Gain on Sale

The financial profit gained from selling an asset for more than its book value.

Opening Retained Earnings

The amount of retained earnings at the beginning of a financial period, representing the accumulated profits that have not been distributed to shareholders as dividends.

Revaluation Model

An accounting method that allows for the upward or downward adjustment in the carrying amount of an asset to its current fair value, provided it can be measured reliably.

Revaluation Increment

An increase in the book value of an asset to reflect its fair value, often recognized during asset revaluation processes.