IB skill practice

Apply logarithm laws

Apply logarithm laws to simplify and evaluate exact logarithmic expressions.

Paper 1 5 marks Difficulty 2

Log law practice

Given \(\log_3(243)\) and \(\log_3(9)\), find both log values and \(\log_3(2187)\).

Worked practice: logarithm laws

Evaluate each logarithm, then combine the values using the product law.