What is the value of log_5 25?
Answer and explanation
Correct answer: B. 2
- Step 1: Ask: 5 to what power gives 25? Step 2. 5^2 = 25, so log_5 25 = 2. Answer: 2. Why not the others: 3: That is one more than the power needed. 1: That is one less than the power needed. 5: That divides the number by the base instead of finding the power.
Practise more Exponential and logarithmic functions.
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