How do you calculate #log_8 512#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Konstantinos Michailidis Apr 16, 2016 Using logarithm laws we have that #log_8 512=log512/(log8)=log2^9/(log2^3)=(9*log2)/(3*log2)= (9*cancellog2)/(3*cancellog2)=9/3=3# Finally #log_8 512=3# Answer link Related questions What is the common logarithm of 10? How do I find the common logarithm of a number? What is a common logarithm or common log? What are common mistakes students make with common log? How do I find the common logarithm of 589,000? How do I find the number whose common logarithm is 2.6025? What is the common logarithm of 54.29? What is the value of the common logarithm log 10,000? What is #log_10 10#? How do I work in #log_10# in Excel? See all questions in Common Logs Impact of this question 7994 views around the world You can reuse this answer Creative Commons License