Mathematics
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OpenStudy (anonymous):
Choose the correct simplification of .
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OpenStudy (anonymous):
\[\frac{ 3^{8} }{ 3^{3} }\]
OpenStudy (anonymous):
since the base is the same you know what?
OpenStudy (anonymous):
@MATTW20
OpenStudy (anonymous):
what?
OpenStudy (anonymous):
the base of each is the same(3)
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OpenStudy (anonymous):
just pretend the 3 is an x
OpenStudy (anonymous):
now what's your answer?
OpenStudy (anonymous):
u need to subtract the exponents right? 8 - 3 = 5 so ... x^5 ?
OpenStudy (anonymous):
now just replace the x with 3 and there you go
OpenStudy (anonymous):
3^5 ? or i need to divide the coefficients... 3 / 3 = 1
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OpenStudy (anonymous):
no don't do that
OpenStudy (anonymous):
these are my choices:
243
15
1/243
1/15
OpenStudy (anonymous):
hold on a sec
OpenStudy (anonymous):
oky doky....
OpenStudy (anonymous):
those are all your choices?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
in my lesson it says.. divide coefficients and subtract exponents
OpenStudy (raden):
3^5 = 3 * 3 * 3 * 3 * 3 = ...
OpenStudy (anonymous):
o yea 3^5 lol i kept doing 3^3. Thanks @RadEn
OpenStudy (anonymous):
so just do what raden did and you'll get your answer it's there
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OpenStudy (anonymous):
243? or 1/243? @RadEn
OpenStudy (anonymous):
you should get 243
OpenStudy (anonymous):
i did... but what about 3^3 ?
OpenStudy (anonymous):
there is no 3^3 that was just me being stupid lol
OpenStudy (anonymous):
i accidentally looked at another problem and came back to this one and started thinking it was 3^3 instead of 3^5
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OpenStudy (anonymous):
the equation is \[\frac{ 3^{8} }{ 3^{3} }\]
OpenStudy (anonymous):
and you get 3^5 when you simplify
OpenStudy (anonymous):
3^5=243
OpenStudy (anonymous):
ohhhh
OpenStudy (anonymous):
\[\frac{ 3*3*3*3*3*3*3*3 }{ 3*3 }\rightarrow \frac{ 3*3*3*3*3*3 }{ 1 }\rightarrow 729\]