Answer
-2.71
Work Step by Step
Using the rules of logarithms, we find:
$$ -2 log_b(2b) \\ -2 log_b (2) -2log_b(b) \\ -2log_b(2) -2 \\ -2.71$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.