find the product write your answer in exponential form 7^-9*7^2
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OpenStudy (anonymous):
\[ 7^(-9*7^2)\]
OpenStudy (anonymous):
this is the question, right ?
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
you wan the answer ?
OpenStudy (anonymous):
yea
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OpenStudy (anonymous):
\[7^{-9}*7^{2}\]
OpenStudy (anonymous):
oh
then it will be
\[7 ^ (2-9) = 7^(-7) = \frac{ 1 }{ 7^7} = \frac{ 1 }{ 823543 }\]
OpenStudy (anonymous):
are you sure from your question ?
OpenStudy (anonymous):
i type the answer wrong sorry
OpenStudy (anonymous):
\[8^{4}*8^{-3}\]
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OpenStudy (anonymous):
hhh okay
OpenStudy (anonymous):
\[8^(4−2)=8^2=64\]
OpenStudy (anonymous):
\[3^{4}*3^{8}*3^{-1}\]
OpenStudy (anonymous):
exponential form
OpenStudy (anonymous):
3^11
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OpenStudy (anonymous):
\[2^{-8}*2\]
OpenStudy (anonymous):
2^-7
OpenStudy (anonymous):
\[8^{-3}*8^{2}\]
OpenStudy (anonymous):
8^-1
OpenStudy (anonymous):
\[3^{4}*3^{2}\]
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OpenStudy (anonymous):
3^6
OpenStudy (anonymous):
\[2^{9}=blank*2^{6}\]
OpenStudy (anonymous):
blank = 2^3
OpenStudy (anonymous):
hey do you know how we got the results ??
OpenStudy (anonymous):
\[4^{6}*4^{3}\]
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OpenStudy (anonymous):
do you know how we got the results ??
OpenStudy (anonymous):
kinda
OpenStudy (anonymous):
do you want me to explain it for you ?
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
4\[4^{6}*4^{2}\]
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OpenStudy (anonymous):
sure
look, this thing is very simple and very important
you have only TWO rules
1- if the operation was MULTIPLICATION then we ADD the powers of them
2- if the operation was DIVISION then we SUBTRACT the powers of them
OpenStudy (anonymous):
so can you find out (\[4^6∗4^2\]) ?
OpenStudy (anonymous):
no we add the POWERS only
OpenStudy (anonymous):
\[9^{2}\]
OpenStudy (anonymous):
no the (base)(4) stay without changing
only the powers are added
so it will be 4^8
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OpenStudy (anonymous):
we add 2+6 to get 8
and the 4 stay without changing
OpenStudy (anonymous):
\[8^{-2}*8^{-9}\]
OpenStudy (anonymous):
you do it
OpenStudy (anonymous):
and ill check it
OpenStudy (anonymous):
do we add the negative powers
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OpenStudy (anonymous):
is it multiplication or division ?
OpenStudy (anonymous):
yea multiplication
OpenStudy (anonymous):
then we add the powers
OpenStudy (anonymous):
\[11^{8}\]
OpenStudy (anonymous):
is that the answer
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OpenStudy (anonymous):
yes, just flip it to be : 8 ^11
OpenStudy (anonymous):
that was wrong
OpenStudy (anonymous):
no you got the idea
OpenStudy (mathmale):
@kylehenderson: Why not read through this conversation and then attempt the problem on y our own? That will determine whether you've learned this material or not.
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
select the set that is not a subset of x= a,f,h,m,s