Numeracy Basics | Logarithms

Activity One


Please note that you should attempt to work through these problems yourself first, before you look at the solutions. When you have completed the problem and are ready to compare your solution, click on the 'Show solution' link provided.


Complete the following:

a. Evaluate log3(243)

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b. Evaluate log2(128)

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c. Rearrange y = 5x to give an equation for x in terms of a logarithm

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d. Rearrange log7(x) = 2 to give an equation for x in terms of an exponent, and hence solve for x

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