Solve the equation. Use a calculator where appropriate. If the answer is irrational, round to the nearest hundredth.
-log x = 2
A) 2000
B) 20
C) 100
D) 200

Question

Quizplus · Accepted Answer

Using the definition of logarithms, we know that log x = 2 is equivalent to 10^2 = x, which simplifies to x = 100. Therefore, the best choice is C. The equation log x = 2 means that 10² = x, or x = 100. So the best choice is C.

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