Can someone me with these two questions ?

3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya