Solve the problem.
-The amount of a radioactive substance present, in grams, at time t in months is given by the formula $y = 7000 ( 2 ) ^ { - 0.2 t }.$ Find the number Find the numberof grams present in 3 years. If necessary, round to three decimal places.
A)4.761
B)461.828
C)4618.278
D)47.608

Question

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The Answer of Solve the problem.
-The amount of a radioactive substance present, in grams, at time t in months is given by the formula $y = 7000 ( 2 ) ^ { - 0.2 t }.$ Find the number Find the numberof grams present in 3 years. If necessary, round to three decimal places.
A)4.761
B)461.828
C)4618.278
D)47.608

Solve the Problem y=7000(2)−0.2t.y = 7000 ( 2 ) ^ { - 0.2 t }.y=7000(2)−0.2t.

Solve the Problem $y = 7000 ( 2 ) ^ { - 0.2 t }.$