Re: How NOT to calculate powers!


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Re: How NOT to calculate powers!



okay, 5^(.2) = 5^(1/5) = the fifth root of 5.

I dont see a two in there ANYWHERE.  if 5^.2 is the square root of two,
then 2^(.5) must be the fifth root of 5, uh huh, sure.

did you pass basic algebra 2?


Kevin J DeGraaf wrote:

> >Okay, so I gave the 5th grade definition.
> >I [don't] know how TI does roots, but they
> >most likely inputed one of the [methods]
> >we all learned also in 5th grade to do it
> >on paper. If the root method does not refer
> >to the exponent method, you can do the
> >following (Basic algebra 2 here, folks):
> >5^.2= The square root of 2. Therefore,
> >here is what I would use:
>
> [snip]
>
> Well, I never took "Basic algebra 2," so I
> didn't know that 5^.2 is the square root of
> 2.  However, in regular algebra, we were taught
> that 2^.5 (ie 2^(1/2)) is the square root of 2.
> 5^.2 is actually 1.3..., not 1.4....
>
> Hmm...
>
> Kevin DeGraaf  (TI-86)
> Class of 1999, Unity Christian High School
> EMail: kdegraaf@NOSPAM-juno.com (I think you know what to do.)


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