Use the Law of Radioactive Decay to Determine the Activity $\mu$

question 81

Multiple Choice

Use the law of radioactive decay to determine the activity of a 2.0- $\mu$ g sample of Tc-99, t_½ = 2.2 * 10⁵ y.

• A) 1.0 Ci
• B) 1.0 * 10^-6 Ci
• C) 1.5 Ci
• D) 3.3 *10^-8 Ci
• E) 3.3 * 10^-2 Ci

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Definitions:

Depreciation Charges

The allocation of the cost of a tangible asset over its useful life to reflect its decrease in value over time.