Cociente de potencia: Fórmula inversa

$\frac{10^{2x}}{10^{a+1}}$

$\frac{10^{2x}}{10^{a-1}}$

$\frac{3^x}{3^y}$

$\frac{3^y}{3^x}$

$\frac{4^{7a}}{4^{4a}}$

$\frac{4^{3a}}{4}$

$\frac{8^{ax}}{8^4}$

$\frac{8^a}{8^{x-4}}$

A+B son correctas

$\frac{a^8}{a^{10}}$

$\frac{\left(10\times4\right)^5}{\left(10\times4\right)^a}$

$\frac{\left(10\times4\right)^{8a}}{\left(10\times4\right)^{3a}}$

$\frac{\left(10\times5\right)^x}{\left(10\times5\right)^{4y}}$

$\frac{\left(10\times5\right)^{4y}}{\left(10\times5\right)^x}$

$\frac{\left(15\times5\right)^2}{\left(15\times5\right)^1}$

$\frac{\left(15\times5\right)^8}{\left(15\times5\right)^5}$

a'+b' son correctas

$\frac{\left(20\times3\right)^7}{\left(20\times3\right)}$

$\frac{\left(4\times9\right)^8}{\left(4\times9\right)^2}$

$\frac{\left(4\times9\right)^{10}}{\left(4\times9\right)^5}$

$\frac{\left(6\times8\right)^{12}}{\left(6\times8\right)^6}$

$\frac{\left(6\times8\right)^6}{\left(6\times8\right)^{12}}$

A'+C' son correctas

$\frac{\left(6\times9\right)^{11y}}{\left(6\times9\right)^y}$

a'+b' son correctos

$\frac{\left(7\times2\right)^{2y-a}}{\left(7\times2\right)^2}$

$\frac{x^5}{x^2}$

$\frac{x^4}{x^2}$

$\frac{y^6}{y^3}$

$\frac{y^3}{y^6}$

$\frac{\left(4\times3\right)^{4x}}{\left(4\times3\right)^y}$

$\left(4\times3\right)^{\frac{4x}{y}}$

$\frac{a^4}{a^2}$

$\left(a^4\right)^2$

$\left(\right.\left(2\times5\right)^9)^{-2}$

$\frac{\left(2\times5\right)^9}{\left(2\times5\right)^2}$

$x^{10}\times x^5$

$\frac{x^{10}}{x^5}$