How do you solve 10^(-12x)+6=100? Precalculus Properties of Logarithmic Functions Natural Logs 1 Answer EZ as pi Jul 16, 2016 x = -0.1644 Explanation: 10^(-12x)+6=100 10^(-12x)=94 As the variable is in the index, we will use logs. log10^(-12x)=log94 -12x xxlog10=log94 " "log 10 = 1 x =log94/(-12) x = -0.1644 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 2422 views around the world You can reuse this answer Creative Commons License