enter $\frac{1}{2^{3}-5}$:

$enter $\frac{1}{2^{3}-5}$:$

First, calculate $2^3 - 5$. According to the exponent - rule, $2^3=2\times2\times2 = 8$. Then $2^3 - 5=8 - 5=3$.

The fraction is $\frac{1}{2^3 - 5}$, and since $2^3 - 5 = 3$, the value of the fraction is $\frac{1}{3}$.

$\frac{1}{3}$