Mathematics 9709 · AS & A Level · Logarithmic and exponential functions

Logarithmic and exponential functions — practice question

(main)[4]

Solve the equation $8^{3-6x} = 4 \times 5^{-2x}$. Present your answer correct to $3$ decimal places.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Apply the law of logarithms for a product or a quotient to both sides

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