[tex] 3^{28} :27^9[/tex] - расписать, спасибо.. Created by Mrmors. algebra-ru

tex] - расписать, спасибо...

Mrmors @Mrmors

November 2021 1 16 Report

[tex] 3^{28} :27^9[/tex] - расписать, спасибо.

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Artem112

Verified answer

$\alpha ^ \beta : \alpha ^\gamma= \alpha ^{ \beta -\gamma}
\\\
( \alpha ^ \beta )^\gamma= \alpha ^{ \beta \gamma}$

$3^{28}:27^9= \cfrac{3^{28}}{27^9} =\cfrac{3^{28}}{(3^3)^9} =\cfrac{3^{28}}{3^{3\cdot9}} =\cfrac{3^{28}}{3^{27}} =3^{28-27}=3^1=3$

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