Вычислить: 1) 5⁻⁴ · 5⁶ 2) 4⁵ · 4⁻⁷ 3) 3⁸ ·…

Вычислить:

1. $5^{-4}\cdot 5^6$
2. $4^5\cdot 4^{-7}$
3. $3^8\cdot 3^{-5}\cdot 3^{-6}$
4. $6^9:6^{11}$
5. $7^{-4}:7^{-4}$
6. $8^{-6}:8^{-7}$
7. $(3^{-2}{)}^{-2}$
8. $(0,1^{-3}{)}^{-1}$
9. $(0,2^{-2}{)}^3$
10. $(7^2{)}^{-3}\cdot 7^4$
11. $5^{-3}\cdot (5^{-2}{)}^{-3}$
12. ${\left(\frac{1}{4}\right)}^{-5}\cdot {\left(\frac{1}{4}\right)}^3$
13. ${\left(\frac{1}{5}\right)}^3\cdot {\left(\frac{1}{5}\right)}^{-6}$
14. ${\left(\frac{1}{4}\right)}^{-4}:{\left(\frac{1}{4}\right)}^{-7}$
15. ${\left(\frac{1}{3}\right)}^5:{\left(\frac{1}{3}\right)}^8$
16. ${\left(1\frac{1}{2}\right)}^{-4}\cdot {\left(\frac{1}{2}\right)}^3$
17. $2^3\cdot 2^{-5}:2^{-6}$