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The half-life of Tc^(99) is 6.0 hr. The ...

The half-life of `Tc^(99)` is 6.0 hr. The total residual activity in a patient 30 hr after receiving an injection containing `Tc^(99)` must be more than 0.01 `muC_(i)`. What is the maximum activity `("in"muC_(i))` that the sample injected can have?

A

0.16

B

0.32

C

0.64

D

0.08

Text Solution

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The correct Answer is:
B
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