How do you evaluate # log10^-2#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer GiĆ³ Mar 18, 2016 I found #-2# if in base #10#. Explanation: We can take the #-2# and put it in front of the log: #log10^(-2)=-2log10=# if your log is in base #10# you then get (from the definition of log): #=-2*1=-2# 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 26808 views around the world You can reuse this answer Creative Commons License