The Specific Activity of ¹⁴C in the Biosphere Is 0

question 18

Multiple Choice

The specific activity of ¹⁴C in the biosphere is 0.255 Bq·g^-1 with a half life of 5730 years. What is the age of a piece of Egyptian papyrus that has a specific activity of 0.156 Bq·g^-1?

• A) 2820 years
• B) 3510 years
• C) 4060 years
• D) 5860 years

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Definitions:

Variable Costs

Expenses that fluctuate in direct proportion to changes in levels of production or sales, such as materials and labor.

Fixed Costs

Expenses that do not change with the level of production or sales volumes, remaining constant regardless of the company's activity levels.

Margin Of Safety

The difference between actual sales and the break-even point. It measures how much sales can fall before a business incurs a loss.

Variable Costs

Expenditures that adjust based on the degree of operational activity or the volume of goods manufactured.