Select the correct answer.What is the value of this logarithmic expression?log216−log24 A. 6 B. 3.58 C. 0.60 D. 2
Question
Select the correct answer.
What is the value of this logarithmic expression?
log_2(16) - log_2(4)
A. 6
B. 3.58
C. 0.60
D. 2
Solution
Sure, let's solve the logarithmic expression step by step.
The given expression is:
Step 1: Use the logarithm subtraction rule. The rule states that .
So,
Step 2: Simplify the fraction inside the logarithm.
So,
Step 3: Evaluate the logarithm. We need to find the power to which 2 must be raised to get 4. In other words, solve for in the equation:
Since ,
Therefore,
So, the value of the expression is:
The correct answer is D. 2
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