Physics

Physics

Problem

A radioactive tracer has an initial activity of

8.0\,\text{kBq}

and a half-life of

6.0\,\text{days}

. What is the tracer’s activity after

15\,\text{days}

? a)

2.0\,\text{kBq}

b)

3.4\,\text{kBq}

c)

1.4\,\text{kBq}

d)

0.66\,\text{kBq}

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