The one-third life of DDT, a pesticide is 15 years. A 720 g sample of DDT was prepared recently. Find the amount that will be remaining after 45 years.
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The one-third life of DDT, a pesticide is 15 years. A 720 g sample of DDT was prepared recently. Find the amount that will be remaining after 45 years.
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Step-by-step explanation:
1/3×ddt=15
DDT life span=45 years
now
amount remaining=1000-720
=280g will be remaining