If log 125 / log 5 = x, then x is equal to ?
2024
If log 125 / log 5 = x, then x is equal to ?
- A.
3
- B.
2
- C.
4
- D.
½
Attempted by 96 students.
Show answer & explanation
Correct answer: A
Key idea: use change of base: log125/log5 = log base 5 of 125.
Express 125 as a power of 5: 125 = 5^3.
Evaluate log base 5 of 125: log_5(5^3) = 3.
Therefore x = 3.