The amount of the radioactive element Pragelium present in a sample can be calculated using a model of the form A = A0e kt . The half-life of Pragelium is 13 years. Determine the value of k, rounding your answer to four decimal places.

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A:

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.