During a Chemistry Lab, Students Were Asked to Study a Radioactive

During a chemistry lab, students were asked to study a radioactive element which decays over time. The results are in the table.

$\begin{array}{|l|c|c|c|c|c|c|}\hline \text {Time (in days) }& 0 & 2 & 4 & 6 & 8 & 10 \\\hline \text {Element (in grams) }& 320 & 226 & 160 & 115 & 80 & 57 \\\hline\end{array}$

a. Model the remaining mass of the element.
b. Find the predicted amount of the element remaining after thirty minutes.

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a. Element time
b. Time is measured i...

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