Use the change-of-base formula to approximate each logarithm to three decimal places.
  1. Using base the formula filled in will look like: which when entered into the calculator gives us and rounding to three decimal places, we have
  2. Using base the formula filled in will look like: which when entered into the calculator gives us and rounding to three decimal places, we have
  3. Using base the formula filled in will look like: which when entered into the calculator gives us and rounding to three decimal places, we have