i was out sick on the days we covered this also.

11.) 27^1/3

12.) 4^-1/4

14.) (-243)^4/5

16.) (4/9)^3/2

20.) p^-1/5

21.) x^-6/11

22.) X^2/3 / x^1/4

23.) y^-1/2 / y^1/4

24.) n^1/3 / n^1/6 * n^1/2

25.) 12 on the square root of 64

26.) 8 on the square root of 49a^8 b^2

Thanks.