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Mathematics 7 Online
OpenStudy (anonymous):

Is there someone who could help me solve problems?

OpenStudy (ash2326):

@kaiyeol you could post your question here and users will help you

OpenStudy (anonymous):

But there is no one.

OpenStudy (ash2326):

post it, we'll help you

OpenStudy (anonymous):

Okay! (2n^4h^3)^4

OpenStudy (ash2326):

do you want to simplify this?

OpenStudy (anonymous):

Yeah

OpenStudy (ash2326):

if you have \[(a^b c^d)^e=a^{b\times e}c^{d\times e}\] do you follow this?

OpenStudy (anonymous):

Yes!

OpenStudy (ash2326):

Can you use it here? \[(2n^4h^3)^4\]

OpenStudy (anonymous):

Okay wait!

OpenStudy (ash2326):

ok

OpenStudy (anonymous):

= 2n^8h^7 ?

OpenStudy (ash2326):

you need to multiply the powers not add them, if we have \[2^4\times 2^4=2^{4+4}\] \[(2^4)^4=2^{4\times 4}\] Do you understand the difference?

OpenStudy (anonymous):

Oh that's what I first thought to do

OpenStudy (anonymous):

So = 2n^16h^12?

OpenStudy (ash2326):

but you have to put power on 2 also, don't forget it :P \[(2^1)^4\]

OpenStudy (anonymous):

Power on? Well I did? = (2n^4)^4 = 2n^16

OpenStudy (ash2326):

but you have to put power on 2 \[(2n^4)^4=2^4\times n^{4\times 4}\]

OpenStudy (anonymous):

Oh okay now I get it! Thanks!

OpenStudy (anonymous):

Can you help me with one more?

OpenStudy (ash2326):

Please close this and post it as new question. I will try to help

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