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A logarithm answers the question: “To what exponent do I need to raise a given base to get a certain number?” For instance, if we have 2 3, the logarithmic equivalent would be log 2 (8) = 3. In this case, the logarithm tells us that we need to raise 2 to the power of 3 to get 8. The general form of a logarithm is written as: log b (y) = x
worksheets for pre-algebra,algebra,calculus,functions
Logarithm worksheets are about logarithms, which is a quantity representing the power to which a fixed number (the base) must be raised to produce a given number. "Proportional to the logarithm to the base 10 of the concentration." Benefits of Logarithm Worksheets. A logarithm is defined as the power to which number must be raised to get some ...
Simplify each of the following logarithmic expressions, giving the final answer as a single logarithm. a) log 7 log 22 2+ b) log 20 log 42 2− c) 3log 2 log 85 5+ d) 2log 8 5log 26 6− e) log 8 log 5 log 0.510 10 10+ − log 142, log 52, log 645, log 26, log 8010
4 Free worksheets with answer keys on logarithms. Each one has model problems worked out step by step, practice problems and challenge proglems.
Using the concept of fractional exponents, which I'm sure you've seen if you're studying logarithms, we can do away with having to use a small base by effectively filling in the gaps between the elements of the sequence. That's why logarithms were originally investigated. Nowadays we don't need to resort to tricks like that just to do ...
In this section we will evaluate logarithm functions and work on converting their values and determining domains of these functions. These worksheets explain how to solve for various log based expressions.