Simplify the expression.
-$15 \log _ { 15 } 18$
A) 15
B) 18
C) 4050
D) 270

Name: Simplify the expression. -$15 \log _ { 15 } 18$ A) 15 B) 18 C) 4050 D) 270
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Question

Quizplus · Accepted Answer

The expression $15 \log _ { 15 } 18$ simplifies to 18 because the logarithm $\log _ { 15 } 18$ asks the question, "to what power must 15 be raised to get 18?" The answer to this is the exponent that when applied to 15 gives 18. When you multiply this exponent by 15, you essentially get back to 18, making the correct answer 18.

Simplify the Expression 15log⁡151815 \log _ { 15 } 1815log15​18 A) 15 B) 18 C) 4050 D) 270

Simplify the Expression $15 \log _ { 15 } 18$ A) 15
B) 18
C) 4050
D) 270