How do you write log1000=x in exponential form? Precalculus Properties of Logarithmic Functions Logarithm-- Inverse of an Exponential Function 1 Answer Trevor Ryan. Nov 9, 2015 10x=1000 Explanation: This follows directly from definition : logax=y⇔ay=x 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 log14164? How do I find the logarithm log23(827)? See all questions in Logarithm-- Inverse of an Exponential Function Impact of this question 4815 views around the world You can reuse this answer Creative Commons License