A rationla power is a power in form a/b
remeber these 2 simple rules
1.
2.![x^\frac{m}{n}=\sqrt[n]{x^m}](https://tex.z-dn.net/?f=x%5E%5Cfrac%7Bm%7D%7Bn%7D%3D%5Csqrt%5Bn%5D%7Bx%5Em%7D)
and the combo of these
![x^\frac{-m}{n}=\frac{1}{\sqrt[n]{x^m}}](https://tex.z-dn.net/?f=x%5E%5Cfrac%7B-m%7D%7Bn%7D%3D%5Cfrac%7B1%7D%7B%5Csqrt%5Bn%5D%7Bx%5Em%7D%7D)
that's all
remeber these 2 simple rules
1.
2.
and the combo of these
that's all
Which is the value of the expression? (-2)4
2 answers:
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