This math topic centers on practicing rearranging exponential decay equations to solve for starting values of populations or concentrations. The scenarios involve varying decay rates—expressed in percentages per different time units (e.g., quarters, years, weeks, days)—and the resulting values after specified time periods. This topic not only enhances understanding of exponential functions but also hones algebraic manipulation skills in relation to real-world phenomena like population decline and radioactive decay. The problems provide several possible rearrangements of the equation, requiring the identification of the correct form for calculating initial quantities.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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