Write 3^4 = 81 in logarithmic form.

  1. log3 4 = 81
  2. log81 3 = 4
  3. log3 81 = 4
  4. log4 81 = 3
Answer

C) log3 81 = 4

a^y = x iff loga x = y. So 3^4 = 81 becomes log3 81 = 4. SLO M-09-A-06 · Knowledge

Mathematics MCQ · More Real Numbers MCQs · Practise