18) 24.(22)3 29

18) $$ \frac{2^4 \cdot (2^2)^3}{2^9} = \frac{2^4 \cdot 2^{2 \cdot 3}}{2^9} = \frac{2^4 \cdot 2^6}{2^9} = \frac{2^{4+6}}{2^9} = \frac{2^{10}}{2^9} = 2^{10-9} = 2^1 = 2$$

Ответ: 2