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Step-by-step explanation:
For this case we have the following expression:

For power properties we have:

Rewriting the exponents of the expression we have:



Using the cubic root we have:
![(\frac{1}{\sqrt[3]{8^2}} a^2)](https://tex.z-dn.net/?f=%20%28%5Cfrac%7B1%7D%7B%5Csqrt%5B3%5D%7B8%5E2%7D%7D%20a%5E2%29%20%20%20)
![(\frac{1}{\sqrt[3]{64}} a^2)](https://tex.z-dn.net/?f=%20%28%5Cfrac%7B1%7D%7B%5Csqrt%5B3%5D%7B64%7D%7D%20a%5E2%29%20%20%20)
![(\frac{1}{\sqrt[3]{4^3}} a^2)](https://tex.z-dn.net/?f=%20%28%5Cfrac%7B1%7D%7B%5Csqrt%5B3%5D%7B4%5E3%7D%7D%20a%5E2%29%20%20%20)
Simplifying the expression we have:

Answer:
The equivalent expression is given by:

Answer:
Step-by-step explanation:
The perimeter if a plane figure is the total distance around the figure.
Therefore, the perimeter of the given triangle is a + b + c
Perimeter = 5.57 + 8.76 + 8.7 = 23.03 yards.
The formula for determining the area of a triangle is expressed as
Area = 1/2 × base × height
From the diagram,
Base = 8.7 yards
Height = 5.3 yards
Area = 1/2 × 8.7 × 5.3 = 23.055 square yards
Answer:
The height of the tower should be 120 m
Step-by-step explanation: