Which of the following has the same value in decimal, none of them?

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The discussion revolves around a problem involving five numbers in different bases and whether any of them have the same decimal value. The user initially concludes that none of the numbers are equal in base 10 after performing calculations. A response points out that only four numbers are visible in the attached image, suggesting a possible oversight in the user's work. The user acknowledges this mistake, indicating that they may have forgotten to include one number. The conversation highlights the importance of careful review in mathematical problems.
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Hello everyone, I'm revewing for an exam and I tried this problem and i got them all not equalling the same number in base 10. The question says:
Each of the following five numbers has a different base , which of thefigve numbers have the same value in decimal. Well here is my work and none of them where, did i do it right'?
http://img276.imageshack.us/img276/7452/lastscan2ua.jpg
 
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I'm not going to check your arithmetic, but you expanded the numbers correctly. However, I only see 4 numbers on the attached .jpg, and your question says "which of the five numbers..." Maybe you just forgot to do one of the numbers.
 
lol, that was the problem, thanks again AKG
 
Thread 'Have I solved this structural engineering equation correctly?'

Thread 'Have I solved this structural engineering equation correctly?'

Hi all, I have a structural engineering book from 1979. I am trying to follow it as best as I can. I have come to a formula that calculates the rotations in radians at the rigid joint that requires an iterative procedure. This equation comes in the form of: $$ x_i = \frac {Q_ih_i + Q_{i+1}h_{i+1}}{4K} + \frac {C}{K}x_{i-1} + \frac {C}{K}x_{i+1} $$ Where: ## Q ## is the horizontal storey shear ## h ## is the storey height ## K = (6G_i + C_i + C_{i+1}) ## ## G = \frac {I_g}{h} ## ## C...
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