The amount A (in grams) of radioactive plutonium remaining in a 250-gram sample after t days...

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The amount A (in grams) of radioactive plutonium remaining in a 250-gram sample after t days is given by the t 1 formula A = 250 At what rate is the plutonium decaying when t = 12 days? Answer in appropriate units. The amount A (in grams) of radioactive plutonium remaining in a 250-gram sample after t days is given by the t 1 formula A = 250 At what rate is the plutonium decaying when t = 12 days? Answer in appropriate units.