Medium
Rewrite the expression 103z2z2\frac{10 ^3\sqrt{z}}{2 z^{2}}2z2103√z in the form k⋅znk \cdot z^{n}k⋅zn.
5z−535 z^{-\frac{5}{3}}5z−35
5z−355 z^{-\frac{3}{5}}5z−53
z12z^{\frac{1}{2}}z21
10z5/210 z^{5 / 2}10z5/2
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