Question

1. $\frac{215}{214}$

Explanation:

Step1: Simplify using exponent rules

Recordatorio: $\frac{z^m}{z^n}=z^{m-n}$
$\frac{z^{15}}{z^{14}}=z^{15-14}$

Step2: Calculate the exponent difference

$z^{15-14}=z^{1}$

Step3: Simplify the final term

$z^{1}=z$

Answer:

$z$