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Mathematics 21 Online
OpenStudy (anonymous):

What value of p solves the equation?

OpenStudy (anonymous):

OpenStudy (anonymous):

I have done the equation multiple times, all I need is the answer, and I'll Fan + Medal.

Nnesha (nnesha):

what did YOU get ??

OpenStudy (anonymous):

I have erased/thrown away all of my work, and i have forgotten. sorry.

Nnesha (nnesha):

:P sounds familiar :P

OpenStudy (anonymous):

Really?

Nnesha (nnesha):

yes....

OpenStudy (anonymous):

oh..

Nnesha (nnesha):

just flip the fraction to convert negative to positive exponent x^{-m} is same \[\huge\rm \frac{ x^{-m} }{ 1 } = \frac{ 1 }{ x^m }\] m is an exponent

Nnesha (nnesha):

\[\huge\rm \frac{ p^{-5} }{ 1} = ???\]

Nnesha (nnesha):

here is ane example \[\rm \frac{ r^{-3} }{ 1 }=\frac{ 1 }{ r^3 }\]

OpenStudy (anonymous):

so we flip it again..

Nnesha (nnesha):

yes right

Nnesha (nnesha):

so \[\huge\rm \frac{ p^{-5} }{ 1} = ???\]

Nnesha (nnesha):

how would u write it after that ?

OpenStudy (rushwr):

this is easy okai \[\frac{ 1 }{ P ^{5}}= \frac{ 1 }{ 3^{5} }\]

Nnesha (nnesha):

should let him do it.

OpenStudy (anonymous):

im still confused

OpenStudy (anonymous):

its ok if she helps me

Nnesha (nnesha):

sure it's!!!!

OpenStudy (anonymous):

ok, so what do i do.

Nnesha (nnesha):

if i don't know how to flip that fraction then how would i find the answer ? that's what i meant.

Nnesha (nnesha):

so look at her comment p^{-5} is equal to 1/p^5

OpenStudy (rushwr):

\[3^{5}=243\] right?

OpenStudy (rushwr):

\[P ^{-5}=\frac{ 1 }{ P ^{5} }\] I hope you get this ?

OpenStudy (anonymous):

if you could explain it.

OpenStudy (anonymous):

?

OpenStudy (rushwr):

Actually that's a principal ! ^_^

Nnesha (nnesha):

this is exponent rule when you see `negative ` exponent you should flip the fraction \[\huge\rm \frac{ p^{-5} }{ 1 }=\frac{ 1 }{ p^5}\] you agree ?

OpenStudy (anonymous):

yes?

Nnesha (nnesha):

you are asking me ?

OpenStudy (anonymous):

wat

OpenStudy (anonymous):

can i please have the answer?

Nnesha (nnesha):

\[\frac{ 1 }{ p^5 }=\frac{ 1 }{ 243 }\] cross multiply

Nnesha (nnesha):

do you know how to cross multiply ?

OpenStudy (anonymous):

yes, but isnt it just the same?

Nnesha (nnesha):

what do you name `same` ?

Nnesha (nnesha):

|dw:1440178687228:dw| cross multiply then take 5th root both sides

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