Evaluate or simplify the expression without using a calculator.
-$\log 10 ^ { 9 }$
A) $\log 9$
B) $10 ^ { 9 }$
C) 9
D) 10

Name: Evaluate or simplify the expression without using a calculator. -$\log 10 ^ { 9 }$ A) $\log 9$ B) $10 ^ { 9 }$ C) 9 D) 10
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Question

Quizplus · Accepted Answer

The logarithm of a number to the base 10 is the power to which 10 must be raised to produce that number. Therefore, $\log 10^9 = 9$, because $10$ raised to the power of $9$ equals $10^9$.

Evaluate or Simplify the Expression Without Using a Calculator log⁡109\log 10 ^ { 9 }log109

Evaluate or Simplify the Expression Without Using a Calculator $\log 10 ^ { 9 }$