How do you solve #log_x49=2#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Shwetank Mauria Nov 15, 2016 #x=7# Explanation: From the definition of logarithm #log_a b=m# implies #a^m=b# Hence #log_x 49=2# means #x^2=49# and hence #x=7# 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 4526 views around the world You can reuse this answer Creative Commons License