Powers of fractions with negative exponents

Raise the top and the bottom to the power. For a negative exponent, flip the fraction first.

1. Evaluate (7/8)⁻³. (Write a fraction in lowest terms, or a whole number.)
2. Evaluate (4/7)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
3. Evaluate (5/7)⁻³. (Write a fraction in lowest terms, or a whole number.)
4. Evaluate (4/9)⁻². (Write a fraction in lowest terms, or a whole number.)
5. Evaluate (7/9)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
6. Evaluate (1/3)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
7. Evaluate (3/8)⁻². (Write a fraction in lowest terms, or a whole number.)
8. Evaluate (5/6)⁻³. (Write a fraction in lowest terms, or a whole number.)
9. Evaluate (9/11)⁻². (Write a fraction in lowest terms, or a whole number.)
10. Evaluate (9/10)⁻³. (Write a fraction in lowest terms, or a whole number.)
11. Evaluate (11/12)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
12. Evaluate (1/4)⁻². (Write a fraction in lowest terms, or a whole number.)
13. Evaluate (2/9)⁻³. (Write a fraction in lowest terms, or a whole number.)
14. Evaluate (1/15)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
15. Evaluate (1/2)⁻³. (Write a fraction in lowest terms, or a whole number.)
16. Evaluate (1/6)⁻³. (Write a fraction in lowest terms, or a whole number.)
17. Evaluate (3/8)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
18. Evaluate (9/19)⁻⁴. (Write a fraction in lowest terms, or a whole number.)
19. Evaluate (3/7)⁻². (Write a fraction in lowest terms, or a whole number.)
20. Evaluate (13/17)⁻². (Write a fraction in lowest terms, or a whole number.)