How do you solve 3.4e2−2n−9=−4? Precalculus Properties of Logarithmic Functions Natural Logs 1 Answer Alan N. Aug 21, 2016 n≅0.80717 Explanation: 3.4e2−2n−9=−4 3.4e2(1−n)=5 e2(1−n)=53.4 2(1−n)=ln(53.4) 1−n≅0.385662 −n≅0.19283−1=−0.80717 n≅0.80717 Answer link Related questions What is the natural log of e? What is the natural log of 2? How do I do natural logs on a TI-83? How do I find the natural log of a fraction? What is the natural log of 1? What is the natural log of infinity? Can I find the natural log of a negative number? How do I find a natural log without a calculator? How do I find the natural log of a given number by using a calculator? How do I do natural logs on a TI-84? See all questions in Natural Logs Impact of this question 5442 views around the world You can reuse this answer Creative Commons License