Question

alguém help 30 pontos

Answer 1

Explicação passo-a-passo:

(3⁴.2³/3⁷.2²)^(-1) = ( 81.8/2187.4)^(-1) = (648/8748)^(-1) = 8749/648

simplificando por 324

8748/324 27

-------------- = -------- = 3³/2

648/324 2

Answer 2

$(\frac{3^4.2^3}{3^7.2^2})^{-1} =\frac{3^3}{2} \\\\\frac{3^7.2^2}{3^4.2^3} =\frac{3^3}{2} \\\\\frac{3^{7-4} }{2^{3-2} } =\frac{3^3}{2} \\\\\frac{3^3}{2} =\frac{3^3}{2}$