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División de potencias (cuando la base es un número entero)

Para dividir potencias de la misma base, se mantiene la base y se restan los exponentes:

$a\fs2^n\fs3\;\tex{:}\;a\fs2^m\fs3=a\fs2^{n-m}$

$(-3)\fs2^{12}\fs3\;\tex{:}\;(-3)\fs2^7\fs3=(-3)\fs2^{12-7}\fs3=(-3)\fs2^5$

$(+2)\fs2^5\fs3\;\tex{:}\;(+2)=(+2)\fs2^{5-1}\fs3=(+2)\fs2^4$

Calcula:

$(-2)\fs2^{13}\fs3\;\;\tex{:}\;(-2)\fs2^4=$