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OpenStudy (anonymous):
\[(9\sqrt{x ^{7}})(9\sqrt{x ^{5}})\]
OpenStudy (anonymous):
right?
OpenStudy (anonymous):
its one top of the other. i got mixed up haha
OpenStudy (nincompoop):
\[9\sqrt[7]{x} \times 9\sqrt[5]{x}\]
OpenStudy (nincompoop):
like that?
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OpenStudy (anonymous):
the second part is in the bottom
OpenStudy (nincompoop):
\[\frac{ 9\sqrt{x^7} }{ 9 \sqrt{x^5} }\] or like this?
OpenStudy (anonymous):
like thast!
OpenStudy (anonymous):
that*
OpenStudy (nincompoop):
how do you think you will solve this? and do you already know the rules of exponents?
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OpenStudy (anonymous):
i have no idea. thats why i need help /:
OpenStudy (nincompoop):
awww do you have a book or something?
OpenStudy (anonymous):
noope
OpenStudy (nincompoop):
can you maybe read the content of this link first and then figure out how to answer your question?
http://www.mathsisfun.com/algebra/exponent-laws.html
and if you are stuck, show us what you have as a solution then we will guide you. If I taught you how to tackle this problem now, it wouldn't really make any sense because you haven't got the fundamental knowledge required yet.