Question

dê os resultados :a)1sobre 2elevado a 12:1sobre2 elevado a 9

Answer 1

$(\frac{1}{2})^{12}:(\frac{1}{2})^{9}=\\\\(\frac{1}{2})^{12-9}=\\\\(\frac{1}{2})^{3}=\\\\\frac{1^{3}}{2^{3}}=\\\\\frac{1.1.1}{2.2.2}=\\\\\frac{1}{8}=0,125$

Espero ter ajudado.
Bons estudos! :)