anonymous
  • anonymous
Amistre64, it's me again. Need help with an exponent again!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
amistre64
  • amistre64
didja try yelling at it?
anonymous
  • anonymous
jI even grounded it and took away it's cell phone and it won't cooperate! I can't understand...it works with my 15 year old daughter!
anonymous
  • anonymous
\[-3/2\times 2^{-2/9}\]

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anonymous
  • anonymous
dont punish them it makes it worse. They now think math is bad if you truly want to help arrange extra help and talk to the teacher
anonymous
  • anonymous
Did you see my expression I need to solve?
amistre64
  • amistre64
i see it
amistre64
  • amistre64
we wanna derive it?
anonymous
  • anonymous
No I need to figure out what it's = to.
anonymous
  • anonymous
2^-2/9 equals what?
amistre64
  • amistre64
\[\frac{-3}{2*2^{2/9}}\]
amistre64
  • amistre64
\[\frac{-3}{2^{(9/9 + 2/9)}}\]
amistre64
  • amistre64
we good so far?
anonymous
  • anonymous
yes, I got that far. I know that answer, but what i got wasn't right according to them Like they know any better! Who are they to tell me I am always wrong!?
anonymous
  • anonymous
; )
amistre64
  • amistre64
:) \[\frac{-3}{2^{11/9}}\] \[\frac{-3}{\sqrt[9]{2^{11}}}\]
amistre64
  • amistre64
\[2^{11} \iff 2^{9}*2^{2}\] \[\sqrt[9]{2^9.2^2}\iff \sqrt[9]{2^9}.\sqrt[9]{2^2}\] \[\frac{-3}{2\sqrt[9]{2^2}}\]
amistre64
  • amistre64
\[\sqrt[9]{2^4}*\sqrt[9]{2^5} = \sqrt[9]{2^9}\iff 2\] right?
anonymous
  • anonymous
yes, I remember that one from the s thing earlier! Yay me!
amistre64
  • amistre64
\[\frac{-3}{2\sqrt[9]{2^4}}*\frac{\sqrt[9]{2^5}}{\sqrt[9]{2^5}} = \frac{-3\sqrt[9]{64}}{4}\]
amistre64
  • amistre64
i typoed it dint i lol
amistre64
  • amistre64
9rt(2^2) not equal 9rt(2^4) lol
anonymous
  • anonymous
Actually we lucked out cuz they are leaving the radical in the denominator! The answer to the whole problem is cbrt 2 - 3/2ninth root of 4, just what you said! I am not surprised you got it right!
amistre64
  • amistre64
yay!! i was dreading having to retype thaqt lol
anonymous
  • anonymous
\[\sqrt[3]{2}- 3/2\sqrt[9]{4}\]
anonymous
  • anonymous
Again and again and again, thank you.
amistre64
  • amistre64
yw :)

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