The one on the bottom says: tonight, Duane needs to bring home only his math and science textbooks. Tomorrow, he has to bring his science project to school. His project weighs 5 pounds. Find the total weight Duane will carry in his backpack tomorrow.

f is the midpoint of

step-by-step explanation:

1

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

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