Решение:
- 1) \( 5^{-2} = \frac{1}{5^2} = \frac{1}{25} \)
- 2) \( 2^{-4} = \frac{1}{2^4} = \frac{1}{16} \)
- 3) \( (-9)^{-2} = \frac{1}{(-9)^2} = \frac{1}{81} \)
- 4) \( 0,2^{-3} = (\frac{2}{10})^{-3} = (\frac{1}{5})^{-3} = 5^3 = 125 \)
- 5) \( 1^{-24} = \frac{1}{1^{24}} = \frac{1}{1} = 1 \)
Ответ: 1) \( \frac{1}{25} \); 2) \( \frac{1}{16} \); 3) \( \frac{1}{81} \); 4) 125; 5) 1