If and , what is ?
Answer and explanation
Correct answer: A. 8
- Step 1: log(x y^2) = log x + 2 log y.
- Step 2: 2 + 2 x 3 = 8.
Answer
8.
Why not the others: 12 multiplies the logarithms; 5 forgets the exponent 2; 10 doubles the whole sum.
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