Need help simplifying fraction

NHF

New member
Joined
Jan 7, 2012
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1
f7aYv.png

I need help with the above exercise. It seems no matter what I do, I end up with the answer:
5LOz1.png

Yet it is incorrect! I'm not sure what I'm doing wrong at all. If need be, I can post my work too.

Thanks!

-NHF
 
I think your mistake is: \(\displaystyle 2^{-3}=\frac{1}{8}.\)
 
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