QUESTION IMAGE
Question
2y^{9}cdot2y^{-5}=
Step1: Aplicar la regla de exponentes para multiplicar términos con la misma base
Para $a^m\cdot a^n=a^{m + n}$ y $(ca^m)\cdot(db^n)=cd\cdot a^m\cdot b^n$, aquí $c = 2$, $d = 2$, $a=b=y$, $m = 9$ y $n=-5$.
$2y^{9}\cdot2y^{-5}=(2\times2)\cdot y^{9+( - 5)}$
Step2: Realizar las operaciones aritméticas
$2\times2 = 4$ y $9+( - 5)=9 - 5=4$.
$4y^{4}$
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$4y^{4}$