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Can you solve this math problem
Posted: 09 April 2017 02:34 PM   [ Ignore ]  
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Smallfolk
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[100] * (1.3 ^ ((28 - 55)/10))) =

can you solve it?? show your work, pls and thanks.

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Posted: 10 April 2017 07:03 AM   [ Ignore ]   [ # 1 ]  
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Warden
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Can’t be solved, unclosed brackets…

That being said, why do you want a solution?

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Posted: 10 April 2017 07:23 AM   [ Ignore ]   [ # 2 ]  
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Knight
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The brackets are ok and the result is 49.2439576079

but I am missing the meaning… I was thinking if it is related to the Formula for GP but I have no clue

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Posted: 10 April 2017 09:57 AM   [ Ignore ]   [ # 3 ]  
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Smallfolk
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That is what it is, I don’t understand how you solve a negative knuth’s up-arrow notation, or just in general what the heck is that up arrow suppose to represent?

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Posted: 10 April 2017 11:12 AM   [ Ignore ]   [ # 4 ]  
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Smallfolk
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ah never mind, its a negative exponent….sorry as much has I like math I never liked studying even when I was in school, and I can’t tell the last time I had done a math problem that was above elementary school level.


of course plugging it into a calculator gave me the answer but I wanted to understand how the equation is solved.

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Posted: 10 April 2017 12:20 PM   [ Ignore ]   [ # 5 ]  
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Knight
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2.0 - 10 April 2017 11:12 AM

ah never mind, its a negative exponent….sorry as much has I like math I never liked studying even when I was in school, and I can’t tell the last time I had done a math problem that was above elementary school level.


of course plugging it into a calculator gave me the answer but I wanted to understand how the equation is solved.

In reality I was thinking to answer: 42

But I don’t believe someone could understand it

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Posted: 10 April 2017 08:31 PM   [ Ignore ]   [ # 6 ]  
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Smallfolk
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Oh the almighty 42 mhelm tongue wink

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Posted: 11 April 2017 06:29 PM   [ Ignore ]   [ # 7 ]  
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Smallfolk
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Yes ignore it problem solved .

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Posted: 12 April 2017 03:12 AM   [ Ignore ]   [ # 8 ]  
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Stablehand
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[100] * (1.3 ^ ((28 - 55)/10))) =

I assume the * means multiply?

= 28 - 55 = -27

[100] * (1.3 ^ (-27/10)))

= -27/10 = -2.7

[100] * (1.3 ^ (-2.7)))

= 1.3 ^ -2.7 (^ = to the power of) = 0.49243957607

[100] * (0.49243957607)

= 100 x 0.49243957607 = 49.243957607

So:

[100] * (1.3 ^ ((28 - 55)/10))) = 49.243957607

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Posted: 13 April 2017 01:20 PM   [ Ignore ]   [ # 9 ]  
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Smallfolk
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Thanks for the show of work/steps, an yes once I came back to the realization that the ^ to the power of is = to exponents **DUH tongue rolleye** it was a simply google search of how to calculate for negative exponents (previously I was searching for knuth’s up arrow notation and wasn’t getting any hits for how to solve for negative), then my mind was refreshed and it all became clear.

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