Mathematics
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OpenStudy (anonymous):
C^9 D^-7/C^14 D^-10
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OpenStudy (anonymous):
in a division of an exponent,,u just subtract there exponent.
OpenStudy (lgbasallote):
\[\frac{c^9 d^{-7}}{c^{14}d^{-10}} \implies \frac{c^9}{c^{14}} \times \frac{d^{-7}}{d^{-10}} \implies c^{9 - 14} \times d^{-7 - (-10)} \implies (c^{9-14} )(d^{-7+10})\]
getting an idea now?
OpenStudy (anonymous):
Yes. Now where do i go from there
OpenStudy (anonymous):
so would it be c^5 and d^3?
OpenStudy (lgbasallote):
close
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OpenStudy (lgbasallote):
it's c^(-5) d^3
9 - 14 = -5
OpenStudy (anonymous):
c^-5 and d^3
OpenStudy (anonymous):
yes thats what imeant to put but i just put 5 sorry
OpenStudy (lgbasallote):
\[c^{-5} \times d^3 \implies \frac{1}{c^5} \times d^3 \implies \frac{d^3}{c^5}\]
OpenStudy (lgbasallote):
that's simplifying it further
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OpenStudy (anonymous):
ok so my answer choices are
A. D^2/ D^4
B. C^5 D^3
C. D^3 D^5
D. C^2 D^4
OpenStudy (anonymous):
so would my answer be B.?
OpenStudy (lgbasallote):
is B c^5? not c^-5?
OpenStudy (anonymous):
yes
OpenStudy (lgbasallote):
that makes no sense...exponent of c should be -5
is the question \[\LARGE \frac{c^9 d^{-7}}{c^{14}d^{-10}}\]
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OpenStudy (anonymous):
let me look again
OpenStudy (anonymous):
Yes, it is the exact question and all of the answers
OpenStudy (lgbasallote):
B is \(\large c^5 d^3?\)
OpenStudy (anonymous):
Yes, if i knew how to post the whole question with the answers I would show you everything is the exact way i put it
OpenStudy (anonymous):
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OpenStudy (lgbasallote):
this makes no sense :( B would be right if the question was
\[\huge \frac{c^9 d^{-7}}{c^{-14} d^{-10}}\]
could you check if that's the question
OpenStudy (lgbasallote):
oh you just posted the question
OpenStudy (anonymous):
Question 12 of 20 5.0 Points
A.
B. c5d3
C.
D. c2d4
OpenStudy (lgbasallote):
could you post a pic of the choices
OpenStudy (anonymous):
yes and i just did but have the answers didnt come up but A. d^2 d^4
C. d^3 d^5
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OpenStudy (anonymous):
A. d^2 / d^4
C. d^3 / d^5
OpenStudy (lgbasallote):
i meant could you post a pic of the choices just like that question
OpenStudy (anonymous):
it wont let me for some reason
OpenStudy (lgbasallote):
none of these are right :( but B is the closest...
OpenStudy (anonymous):
alrighty i guess im going to put b and im going to let you know if it was right
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OpenStudy (anonymous):
I tell you the book is so dumb :(
OpenStudy (lgbasallote):
what do you mean?
OpenStudy (anonymous):
It messes my questions and stuff up they didnt put it right or something
OpenStudy (lgbasallote):
yeah i agree :/
OpenStudy (anonymous):
it has did this before :/
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OpenStudy (lgbasallote):
lol :)) books love doing that :p
OpenStudy (anonymous):
But, Thank you anyways :) and Yeah I know
OpenStudy (anonymous):
lol
OpenStudy (lgbasallote):
<tips imaginary hat>
OpenStudy (anonymous):
:)