315. Вычислите: 1) 64^(1/2); 2) 27^(1/3); 3) 8^(3/3); 4) 81^(1/4); 5) 16^(-0,75); 6) 9^(-1,5).

1. \(64^{1/2}=\sqrt{64}=8\).
2. \(27^{1/3}=\sqrt[3]{27}=3\).
3. \(8^{3/3}=8^1=8\).
4. \(81^{1/4}=\sqrt[4]{81}=3\).
5. \(16^{-0.75}=16^{-3/4}=\frac{1}{16^{3/4}}=\frac{1}{8}\).
6. \(9^{-1.5}=9^{-3/2}=\frac{1}{9^{3/2}}=\frac{1}{27}\).

Ответ: 8; 3; 8; 3; \(\frac18\); \(\frac1{27}\).