Mathematics, 11.05.2021 19:30, HarryPotter10

PLEASE HELP IMA FAIL IF YOU DONT!! The half life of the pesticide DDT is 15 years. How many grams remain of a 40 gram sample after 75 years? Give an exact answer.

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PLEASE HELP IMA FAIL IF YOU DONT!! The half life of the pesticide DDT is 15 years. How many grams re...