Solve
-The Amount of a Radioactive Substance Present, in Grams $t$

question 178

Multiple Choice

Solve.
-The amount of a radioactive substance present, in grams, at time $t$ in months is given by the formula $y = 8000 ( 3 ) ^ { - 0.3 t }$ . Find the number of grams present in 4 years. If necessary, round to three decimal places.

• A) \(0.001 \mathrm {~g}\)
• B) \(2140.644 \mathrm {~g}\)
• C) \(214.064 \mathrm {~g}\)
• D) \(0.000 \mathrm {~g}\)

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