PeterParkerPancake PeterParkerPancake

16-09-2022
Mathematics

Answered

20PTS NEED TO SHOW WORK
A scientist measures the initial amount of Carbon-14 in a substance to be 25 grams. The relationship between A, the amount of Carbon-14 remaining in that substance, in grams, and t, the elapsed time, in years, since the initial measurement is modeled by the following equation. A = 25e 0.00012 In how many years will the substance contain exactly 20 grams (g) of Carbon-14 Give an exact answer expressed as a natural logarithm.

years=

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