Multiple Choice Question: 3^n - 3^{n - 1} - 3^{n - 2} is equal to:

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

According to Hooke’s law, the force F required to stretched a spring of x units is directly proportional to the length x.
A 3-degree simple curve has an external distance of 23 m. What is the length of the long chord?
Given $f(x) = (x - 4)(x + 3) + 4$. When $f(x)$ is divided by $(x - k)$, the remainder is k, find the value of k.
The polynomial $x^3 + 4x^2 - 3x + 8$ is divided by $x - 5$. What is the remainder?
It is a branch of engineering mechanics that deals specifically with the effects of applied forces on the motion of objects.
A company purchased an equipment for a total of P960M including its freight and installation charges. What is its annual depreciation charge if salvage value is zero and the sinking fund deposit factor is 0.0430?
The volume of fluid passing a certain section of the stream, pipe, or channel, which has the dimension in cubic meter per second is:
Wl4g9k7-2 What safe floor load, in kN/m2, could be carried on a center-line spacing of 0.40 m?
The total surface area of a regular tetrahedron is 339.482 cm2. Find the measure of the edge of this tetrahedron.
If an arc length is 12 m subtends a central angle $\phi$ in a circle of radius 3, find the measure of $\phi$ in terms of radians.
If the value of the piece of property decreases by 10% while the tax rate on the property increases by 10%, what is the effect on the taxes?
A certain university gives 4 points per credit for a grade A, 3 points per credit for B, 2 points per credit for grade C, a point per credit for grade D, and zero for an F.
ZT7bdKE-2 Two are defective.
The local weather forecaster says “no rain” and his record is 2/3 accuracy of prediction. But the Federal Meteorological Service predicts rain and their record is 3/4. With no other data available, what is the chance of rain?
The sequence 1, 1, 2, 3, 5, 8, 13 is called the Fibonacci sequence. What is then the tenth term?

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