Question

5) Prove a identidade 2º.​

Answer 1

$\large\boxed{\begin{array}{l}\underline{\rm quociente~de~bases~iguais}\\\sf\dfrac{a^m}{a^n}=a^{m-n}\\\sf considere ~2^0~como~2^{4-4}.\\\sf ent\tilde ao\\\sf 2^{4-4}=\dfrac{2^4}{2^4}=\dfrac{16}{16}=1\\\\\sf como~2^0=2^{4-4}~ent\tilde ao~ 2^0=1\end{array}}$