How do you evaluate #log_343 (1/7)#? Precalculus Properties of Logarithmic Functions Logarithm-- Inverse of an Exponential Function 1 Answer Anjali G Nov 13, 2016 #-1/3# Explanation: Let #n = log_343 (1/7)# #343^n=1/7# Rewritten using all bases of 7: #(7^3)^n=7^(-1)# #7^(3n)=7^(-1)# #3n=-1# #n=-1/3# Answer link Related questions What is a logarithm? What are common mistakes students make with logarithms? How can a logarithmic equation be solved by graphing? How can I calculate a logarithm without a calculator? How can logarithms be used to solve exponential equations? How do logarithmic functions work? What is the logarithm of a negative number? What is the logarithm of zero? How do I find the logarithm #log_(1/4) 1/64#? How do I find the logarithm #log_(2/3)(8/27)#? See all questions in Logarithm-- Inverse of an Exponential Function Impact of this question 2751 views around the world You can reuse this answer Creative Commons License