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Evaluate logarithms

Year 13 maths · Fieldbook Learning

Name ______________________ Date __________

log_b x is the power you raise b to, to get x.

  1. Evaluate log₃ 81.
  2. Evaluate log₅ 125.
  3. Evaluate log 1,000.
  4. Evaluate log₃ 9.
  5. Evaluate log₂ 32.
  6. Evaluate log₂ 4.
  7. Evaluate log₂ 16.
  8. Evaluate log 10,000.
  9. Evaluate log₂ 8.
  10. Evaluate log₂ 256.
  11. Evaluate log₃ 27.
  12. Evaluate log 10.
  13. Evaluate log 100,000.
  14. Evaluate log₅ 625.
  15. Evaluate log₅ 25.
  16. Evaluate log 100.
  17. Evaluate log₂ 64.
  18. Evaluate log 1,000,000.
  19. Evaluate log₂ 128.
More free practice: fieldbooklearning.com/uk/practice/year-13/evaluate-logarithms/

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Answer key: Evaluate logarithms

  1. 4
  2. 3
  3. 3
  4. 2
  5. 5
  6. 2
  7. 4
  8. 4
  9. 3
  10. 8
  11. 3
  12. 1
  13. 5
  14. 4
  15. 2
  16. 2
  17. 6
  18. 6
  19. 7