Lesson 33 Practice

  1. Moldy Bread. a) 21619 b) 3

  2. Not Equivalent. log ( (y-2)/2 ) log e = x - 3 (line 1)

  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) 10log 10 ( (2.45 * 10-10) / S ) b) 10log 10 ( (1.13 * 10 -10 ) / S )

  8. Challenge: Difference in Loudness. 3.361

  9. Checking a Zero.

    Line 1. ln3, ln3

    Line 2. 9, ln3

    Line 3. 9, 3

    Line 4. 0