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Mathematics 21 Online
OpenStudy (anonymous):

See attachment.

OpenStudy (anonymous):

OpenStudy (turingtest):

two theorems here\[\sqrt[b]{x^a}=x^{a/b}\]and\[x^ax^b=x^{a+b}\]

OpenStudy (anonymous):

4y^7 is the answer i got from using the rules ceasefire3 wrote above

OpenStudy (anonymous):

Okay, what that is, is y^( 10/3 ) * 16y^( 11/3) When we are multiplying indicies, we add them. 10/3 + 11/3 = 21/3, which is 7. So quite simply the answer is; 16y^7.

OpenStudy (turingtest):

actually the 16 is cube rooted

OpenStudy (anonymous):

thats why I got 4y^7 instead. also, i meant turingtest, not ceasefire, in my last comment

OpenStudy (anonymous):

It isn't. The y is exclusive from the 16. If it were (16y)^11/3, then yes. But it isn't.

OpenStudy (turingtest):

cube root 16 is not 4 4^3=64

OpenStudy (anonymous):

oh yeah, did the sqrt, its 2y^7

OpenStudy (anonymous):

Ignore me. The 16 should be cube rooted. I just looked at the equation again -.-

OpenStudy (turingtest):

cube root 16 is not 2 either

OpenStudy (turingtest):

\[\sqrt[3]{16}=2\sqrt[3]2\]

OpenStudy (anonymous):

lol ok I'm Realy Confused! Whats that answer.

OpenStudy (turingtest):

\[2\sqrt[3]2x^7\]

OpenStudy (turingtest):

I'm only telling because you got confused, normally I don't give answers like that.

myininaya (myininaya):

x=y

OpenStudy (anonymous):

Like this?

OpenStudy (turingtest):

yes

myininaya (myininaya):

lol x=y

myininaya (myininaya):

there are no x's in your expression only y' that is why i said x=y i wanted you to replace the x with y

myininaya (myininaya):

y's*

OpenStudy (turingtest):

I'm sorry I need to start reading more carefully :P yes put a y there of course not x

OpenStudy (anonymous):

ok THX

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