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Evaluate-- (1/81)^ -1/4
I know that the correct answer is 3.. I got 9.. I can show my work if you want
3^4=81 as my hint
Realize that (1/81)^-1/4=(81)^1/4
Yes I know that
Them you are good I just told you 81=3^4
So why do you get 9
If your saying 3^4 is the answer that is incorrect
No iIdidn't say it is the answer just one step before the answer
Why did I make it 3^4 if you think about it
(1/81)^-1/4 = 1/(1/81)^1/4 = 1/^4square root 1/81 --> square root 1/81 = 1/9 1/square root 1/81 = 1/ (1/9) = 1*9/1=9 Where did I go wrong? I followed the example
The answer is 3 like you said I'm just giving the why it is the answer
Oh.. Um not sure
Lol incorrect footsteps that's why it is wrong
How? I followed the example that I was given
Didn't I jut wrote (1/81)^-1/4=(81)^1/4 So we have (3^4)^1/4
I thought you understood that step
I understand changing -1/4 to 1/4... I did that in the first step.
Now you have something like (a^n) ^m Which is a^(nxm) rule
You did but you didn't flip the fraction
What?? Can you show me your work? I dont understand what your saying.. I dont know what this is "Now you have something like (a^n) ^m Which is a^(nxm) rule "
But then you did that in the end however 9 is incorrect since 81=9^2 You used the wrong exponent to simplify
You should have used 3^4 not 9^2
That's exponent rule my dear
Okay... What I did like the example was square root 81 = 9.. So Im suppose to ignore square root and do 3*3*3*3= 3^4
Even if you used 9^2 You still end up with (9^2)^1/4=9^1/2=3
It is ni5 square root it 4th root
Um sure... I figured out what you were saying above but honestly your just confusing me.. Thanks for the help I think
Sorry I couldn't help more since I'm in the phone otherwise I would try to before precise
Yes Im not suppose to do square root just the fourth power like my other problems.. The example should have shown that.
Try to be precise *