Determine the years for which the percent of Americans who smoke is less than 12 percent. Show work if you can

step-by-step explanation:

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

using pemdas, (order of operations) you'll see the answer is 24.

your answer is  

a.

5

step-by-step explanation: