Present-Day Plant Life Has a Carbon-14 Decay Rate of 16

question 16

Multiple Choice

Present-day plant life has a carbon-14 decay rate of 16 disintegrations per minute (dpm) per gram of carbon. If a contemporary wooden chair were preserved for the next 3900 years, what ¹⁴C decay rate should be expected from the wood used to make the chair? (t_1/2 = 5730 yr)

• A) 26 dpm
• B) 12 dpm
• C) 11 dpm
• D) 10 dpm
• E) 8 dpm

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Definitions:

Acid-Test Ratio

A liquidity ratio, also known as the quick ratio, that measures a company's ability to pay off its current liabilities with its quick assets (cash, marketable securities, and accounts receivable).

Stockholders' Equity

The remaining value of a corporation's assets once liabilities are subtracted, which signifies the share of ownership held by the shareholders.

Prepaid Expenses

Expenses paid for in advance and recorded as assets before they are used or consumed.

Acid-Test Ratio

The acid-test ratio, also known as the quick ratio, measures a company's ability to meet its short-term obligations with its most liquid assets, excluding inventory.