Mathematics
21 Online
OpenStudy (anonymous):
How do you solve the value of m in
m^-5 = 1/32
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OpenStudy (anonymous):
\[m ^{-5}=\frac{ 1 }{ 32}\]
OpenStudy (dtan5457):
Couple things to remember here
\[m^{-5}=\frac{ 1 }{ m^5 }\]
\[\frac{ 1 }{ m^5 }=\frac{ 1 }{ 32 }=m^5=32\]
\[m=\sqrt[5]{32}\]
OpenStudy (dtan5457):
Now just find the 5th root of 32
OpenStudy (anonymous):
Is 6.4 the right answer?
OpenStudy (dtan5457):
Hmm
(6.4)^5=32?
I don't think so
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OpenStudy (anonymous):
Im not getting it XD is there an other way to explain it??
OpenStudy (jdoe0001):
got calculator? to get the 5th root, no?
OpenStudy (dtan5457):
Think about it
the fifth root of 32 implies
(x)(x)(x)(x)(x)
one number multiplied by itself 5 times will be 32
OpenStudy (dtan5457):
the number in this case is rather small...try 1,2,3..
OpenStudy (anonymous):
wouldnt that be 6.4?? 6.4 times 5 is 32
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OpenStudy (dtan5457):
(6.4)x(6.4)x(6.4)x(6.4)x(6.4)
does it really?
OpenStudy (anonymous):
OOOOOOH
OpenStudy (anonymous):
I forgot how to get the answer XD How get the root again?? Im sorry
OpenStudy (dtan5457):
What's \[\sqrt{9}\]
OpenStudy (anonymous):
3?
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OpenStudy (dtan5457):
But why?
Square root of 9 implies
What multiplies itself twice is 9, which is three.
OpenStudy (dtan5457):
\[\sqrt[5]{32}\]
Similar concept here....what multiplied by itself 5 times equals 32?
OpenStudy (anonymous):
5.656 and so on..?
OpenStudy (anonymous):
Oh
wait nevermind
OpenStudy (dtan5457):
You got..?
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OpenStudy (anonymous):
Ok i think the problem is that i completely forgot how to get the root. I think thats an issue
OpenStudy (dtan5457):
Calculator..guess and check..
OpenStudy (anonymous):
ok this might take a second XD thank you for trying to help though XD
OpenStudy (anonymous):
OH ITS 2
OpenStudy (dtan5457):
yep. good job
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OpenStudy (anonymous):
XD thanks!
OpenStudy (dtan5457):
feel free to fan and medal :) good effort here :)