Question #6418711Single Choice

Algebra-2

Question

The mass   of a radioactive substance decreases over time according to the formula:  where   is the initial mass of the substance,   is the time in years, and   is the half-life of the substance in years. If the initial mass   is   grams and the half-life   of the substance is   years, what will the mass be after   years?

Options

A
    64 grams
B
    128 grams
C
    32 grams
D
    256 grams

Answer & Analysis

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