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It is currently Fri Apr 26, 2024 12:22 pm
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[ 7 posts ] |
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searchman52
Dragon Tamer
Joined: Fri Feb 06, 2009 10:39 am Posts: 207 Location: A train of thought
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I think my head is about to blow up. How do you solve decimal exponents? I've seen plenty of solutions, but they're too darn complicated. Help, please?
Note: This is mainly a extra credit project, not homework.
Another Note: I'm in 8th grade.
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Thu May 21, 2009 4:09 pm |
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Poe
Pokemon Ranger
Joined: Sat Oct 28, 2006 6:56 am Posts: 860 Location: Maryland
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Can we see an example so we know the complexity of the numbers?
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Thu May 21, 2009 5:04 pm |
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Serpentsounds
Super Saiyan
Joined: Sat Apr 08, 2006 9:21 am Posts: 697 Location: Out of my brain on the 5:15
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Change the decimal to a fraction, then evaluate the fractional exponent as power over root.
For example, 16 ^ .75
We change .75 to a fraction, 3/4. 3/4 is power/root, so we take the 4th root of 16, and raise it to the 3rd power.
(16^(1/4))^3 = 2^3 = 8
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Thu May 21, 2009 5:10 pm |
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Poe
Pokemon Ranger
Joined: Sat Oct 28, 2006 6:56 am Posts: 860 Location: Maryland
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^ Wow I did that this year and I didn't remember it. FAIL.
Also, you can use a calculator.
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Thu May 21, 2009 5:17 pm |
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searchman52
Dragon Tamer
Joined: Fri Feb 06, 2009 10:39 am Posts: 207 Location: A train of thought
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Serpentsounds wrote: Change the decimal to a fraction, then evaluate the fractional exponent as power over root.
For example, 16 ^ .75
We change .75 to a fraction, 3/4. 3/4 is power/root, so we take the 4th root of 16, and raise it to the 3rd power.
(16^(1/4))^3 = 2^3 = 8
THANK YOU. I actually friggin' understand this. I am in your debt. Someone may lock this now if they wish, or leave it open for the future.
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Thu May 21, 2009 6:28 pm |
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Jigglypuff
The Geek
Joined: Wed Aug 04, 2004 11:10 am Posts: 1535 Location: Milliways
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e^(2?i)
That's all I've got to say on fun with exponents.
_________________latina mortua lingua est // ud mortua ud ea possit prima meas ancestras necavit // et nunc me necat
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Thu May 21, 2009 11:04 pm |
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JsXtm
Gym Leader
Joined: Fri Sep 02, 2005 1:34 pm Posts: 2204 Location: Madison, WI
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Jigglypuff wrote: e^(2?i)
That's all I've got to say on fun with exponents.
Jiggz... why're you bringing in the complex numbers?
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Thu May 21, 2009 11:07 pm |
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