A community for students.
Here's the question you clicked on:
 0 viewing
aceace
 2 years ago
Logarithm Question!!!
aceace
 2 years ago
Logarithm Question!!!

This Question is Closed

aceace
 2 years ago
Best ResponseYou've already chosen the best response.0\[\log_{4}0.125 \] ... evaluate without a calculator

zordoloom
 2 years ago
Best ResponseYou've already chosen the best response.0Oh, that's simple. Do you know how to do base change?

zordoloom
 2 years ago
Best ResponseYou've already chosen the best response.0You divide (log(0.125)/(log(4))

zordoloom
 2 years ago
Best ResponseYou've already chosen the best response.0There is really no other way to enter it in a calculator

zepdrix
 2 years ago
Best ResponseYou've already chosen the best response.0So the log equals some unknown quantity, let's call it x. \[\large \log_{4} 0.125=x\] Do you know how to rewrite this as an exponential?

zordoloom
 2 years ago
Best ResponseYou've already chosen the best response.0Oh, sorry, I didn't notice the no calculator allowed. Okay....

aceace
 2 years ago
Best ResponseYou've already chosen the best response.0i got it though.... i'll show you the method and tell me if its right

aceace
 2 years ago
Best ResponseYou've already chosen the best response.0\[\log_{4} 8\] then \[(\log_{4}2 + \log_{4}4)\] then (0.5 +1) then 1.5

zepdrix
 2 years ago
Best ResponseYou've already chosen the best response.0Hmm yah I suppose that works! :) That's a little different than how I would have done it. But it get's you familiar with log rules, so that's good :D

geerky42
 2 years ago
Best ResponseYou've already chosen the best response.10.125 = 1/8 and let \(x = \log_4\dfrac{1}{8}\) Convert it to exponent form, then find x

zepdrix
 2 years ago
Best ResponseYou've already chosen the best response.0Yah that was the other way c: hehe Either way though!
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.