Lesson 33 Practice

  1. Moldy Bread. a) 21619 b) 3
  2. Not Equivalent. log(\frac{y-2}{2}) loge = x - 3
  3. Solve for x. a) 2.335 b) 2.773 c) 4.431
  4. Solve for x again. a) 1 b) 3.614
  5. Grant's Bank Account. a) 221.03 b) 13.86
  6. Athena's Bank Account. 860.71
  7. Loudness.

    a) 10\log _{10}(\frac{(2.45\cdot 10^{-10})}{S})

    b) 10\log _{10}(\frac{(1.13\cdot 10^{-10})}{S})

  8. Challenge: Difference in Loudness. 3.361
  9. Checking a Zero.

    \ln 3 ___ \ln 3

    9 ___ \ln 3

    9 ___ 3

    0