Properties of Logarithms

  1.   \rhd Introduction to Logarithm Properties (1 of 2) (9:16)  Logarithm identities for addition and subtraction of logarithms.
  2.   \rhd Introduction to Logarithm Properties (2 of 2) (10:04) Multiplication of a logarithm by a constant and the change of base formula.
  3.   \rhd Using the properties of Logarithms (multiple steps) (2:09)  Sal simplifies \log_5 \frac{25^x}{y}
  4. \rhd  Evaluating logarithms: change of base rule (7:32) Sal approximates \log_5 100 to the nearest thousandth using the change of base formula.