How do you solve 9^x=45? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer zoe Oct 15, 2017 x ~~ 1.73 Explanation: You can log both sides of the equation to bring x down. log 9^x = log45 x log 9 = log 45 x = log 45/log 9 x ~~ 1.73 rarr to 3 s.f 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 2230 views around the world You can reuse this answer Creative Commons License