Evaluate or simplify the expression without using a calculator.
-$\log 10 ^ { 2 }$
A) 2
B) 10
C) $\log 2$
D) $10 ^ { 2 }$

Question

Quizplus · Accepted Answer

The logarithm of a number is the exponent to which the base must be raised to produce that number. Since the base of the logarithm is 10 (implied by the absence of a base, which defaults to 10), and the argument is $10^2$, the answer is simply the exponent, which is 2.

Evaluate or Simplify the Expression Without Using a Calculator log⁡102\log 10 ^ { 2 }log102

Evaluate or Simplify the Expression Without Using a Calculator $\log 10 ^ { 2 }$