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NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
answers: 3^3 3^21 1/3^21 1/3^3
 3 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
do you know the rule:\[x^a/x^b=x^{ab}\]
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
nope sure dont
 3 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
what have you been taught about indexes?
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
nothing at all that i can recall
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
no pun intended
 3 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
so how do they expect you to solve this? have you been told to use any specific method?
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
i think we have i just dont remember
 3 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
well at the very least you need to know the rules of index multiplication and division.
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
prolly do just dont remember what they are
 3 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
e.g. the rule I just showed you can be proved with following example:\[\frac{x^5}{x^3}=\frac{x*x*x*x*x}{x*x*x}=x*x=x^2\]
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
oooo thtz right i remember now thx
 3 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
so in your case,\[3^{9}/3^{12}=3^{9(12)}=3^{9+12}=3^3\]
 3 years ago

NeedsGoodAnswer Group TitleBest ResponseYou've already chosen the best response.0
yup i got it thanks alot
 3 years ago
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