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how to find the value of log without a calculator. Choose a number very close to the original number that you can construct using factors whose logarithms you have learnt. Y logbx is equivalent to x by y log b x is equivalent to x b y The first is called logarithmic form and the second is called the exponential form.
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Lets say its 100. Calculate the logarithm of this approximated number Calculate the percentage error and multiply by and add or subtract as appropriate. Find the logarithm with base 10 of number 2.
Lg100lg2 2 030103 6644.
Free logarithmic equation calculator - solve logarithmic equations step-by-step This website uses cookies to ensure you get the best experience. Log J7 49 Get more help from Chegg Solve it with our pre-calculus problem solver and calculator. Decide on the number you want to find the logarithm of. It might sound like a tedious method but try a few examples first and you will see its actually pretty quick.
