20. Logarithmic and Exponential Functions
iGCSE (2021 Edition)
20.05 Logarithms (Extended)
Interactive practice questions
Rewrite the equation $5^2=25$52=25 in logarithmic form (with the index as the subject of the equation).
Easy
< 1min
Rewrite the equation $3^x=81$3x=81 in logarithmic form (with the index as the subject of the equation).
Easy
< 1min
Rewrite the equation $3^1=3$31=3 in logarithmic form (with the index as the subject of the equation).
Easy
< 1min
Rewrite the equation $2^0=1$20=1 in logarithmic form (where the index is the subject of the equation).
Easy
< 1min
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