Answer:
a₄ = 256
Step-by-step explanation:
Using the given definition , then
a₂ = a₁² = 2² = 4
a₃ = a₂² = 4² = 16
a₄ = a₃² = 16² = 256
256
a₁ = 2
a₂ = (a₁)² = 2 ² = 4
a₃ = (a₂)² = 4² = 16
a₄ = (a₃)² = 16² = 256
42 ft
18 plus 24 equals 42 feet
80%
41.40/23 = 1.8 = 180% = 100% + 80%
The markup is 80%.
the answer of question number 4 is : (x+4)
64