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<h3>"Expanded form" is basically, setting it up in a addition form to give you that result</h3>
![4 = 400,000 \\ 0 = 0 \\ 3 = 3,000 \\ 8 = 800 \\ 9 = 90 \\ 2 =2 \\ \\ \\ \\ Answer: 400,000 + 0 + 3,000 + 800 + 90 + 2](https://tex.z-dn.net/?f=%204%20%3D%20400%2C000%20%5C%5C%20%200%20%3D%200%20%5C%5C%203%20%3D%203%2C000%20%20%5C%5C%208%20%3D%20800%20%5C%5C%209%20%3D%2090%20%5C%5C%202%20%3D2%20%5C%5C%20%5C%5C%20%5C%5C%20%5C%5C%20Answer%3A%20%20400%2C000%20%2B%200%20%2B%203%2C000%20%2B%20800%20%2B%2090%20%2B%202%20%20)
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Answer:
105cm
Step-by-step explanation:
please click crown below my answer.
Answer:
1240
Step-by-step explanation:
the explanation is very long but I hope this is correct!
The measurements are:
b₁ = 8.4 inches; b₂ = 14 inches; leg₁ = 2.8 inches; leg₂ = 2.8 inches
Let x = length of base and leg
The formula for perimeter of isosceles trapezoid is P = b₁ + b₂ + 2(leg)
Where: b = base
P = b₁ + b₂ + 2(leg)
28 = 3x + 5x + 2(x)
28 = 8x + 2x
28/10 = 10x/10
2.8 = x
Now, substitute the values:
P = b₁ + b₂ + 2(leg)
28 = 3(2.8) + 5(2.8) + 2(2.8)
28 = 8.4 + 14 + 5.6
28 = 28
Hence the measurements are:
b₁ = 8.4 inches; b₂ = 14 inches; leg₁ = 2.8 inches; leg₂ = 2.8 inches
Surface area of a cube is n^2, n being the measurment of any one side of the cube. In this case, 13x13=169, so the answer is 169 mL^2.