AA two-story building measures 21 feet from the ground. A scale model shows the building to be 3 inches tall. How many inches would an 84 foot building be in the model?

12 inches

Step-by-step explanation:

21 feet = 3 inches (in a model)

84 feet = 12 inches (in a model)

84 ÷ 21 = 4

3 × 4 = 12

dont understand

step-by-step explanation:

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)