jenni_fowler
evaluate 2x^1y^3 if x=2 and y=1



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Tomas.A
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insert 2 instead of x and insert 1 instead of y

jenni_fowler
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\[2(2)^{1}1^{3}\]

jenni_fowler
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like that now what do i do

anilorap
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\[2(2)^{1}(1)^{3}\]

Tomas.A
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\[n^{1}=\frac{1}{n}\]
\[n^3=n\cdot n\cdot n\]

jenni_fowler
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okay i understand that part i just need help with the combined part

Tomas.A
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so just multiply and subtract answers you get

jenni_fowler
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(\[1/4* 1^{3}\]

jenni_fowler
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im confused

anilorap
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\[x^{1}= 1/x\]
so
dw:1324153439822:dw

jenni_fowler
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wait
\[1/4(1^{3})\]

anilorap
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plugging your numbers

anilorap
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dw:1324153490541:dw

anilorap
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dw:1324153521385:dw

anilorap
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what you think?

jenni_fowler
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1

anilorap
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yes

jenni_fowler
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thanks soo much