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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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