An artifact originally had 16 grams of carbon-14 present. The decay model A = 16e -0.000121t describes the amount of carbon-14 present after t years. How many grams of carbon-14 will be present in 5715 years?

A. Approximately 7 grams

16*e^ (-0.000121*5715) = Approximately 8 gramsPlease select my answer as the best.Thanks

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