Referring to Exercise 66 in Section 13.3, in what year will the amount of DDT be 25%

Question:

Referring to Exercise 66 in Section 13.3, in what year will the amount of DDT be 25% of the original amount?


Data from Exercises 66 in Section 13.3:

The use of the insecticide DDT was banned in the United States in 1972. A computer analysis shows that an expression relating the amount A still present in an area, the original amount A , 0 and the time t (in years) since 1972 is log10 A = log10 A0 + 0.1t log10 0.8. Solve for A as a function of t.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

Question Posted: