Solve the Problem $984 \mathrm { mg }$ Of an Isotope Is Given By

question 227

Multiple Choice

Solve the problem.
-The decay of $984 \mathrm { mg }$ of an isotope is given by $\mathrm { A } ( \mathrm { t } ) = 984 \mathrm { e } ^ { - 0.014 \mathrm { t } }$ , where $\mathrm { t }$ is time in years. Find the amount left after 12 years.

• A) 416
• B) 970
• C) 820
• D) 832

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Definitions:

Micrograph

A micrograph is a photograph or digital image taken through a microscope or similar device to show a magnified image of an object.

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.

Intercalated Discs

Specialized connections between myocardial cells in the heart, facilitating the synchronized contraction of cardiac tissue.

Desmosomes

Specialized cell structures that function in cell adhesion, anchoring cells to each other within tissues.