Mathematics
14 Online
OpenStudy (mellamokatie):
2. What is the simplified form of each expression?
7x^-8 x 6x^3
A. 42/x^5
B. 1/42.x^5
C. 42x^11
D. 13x^-5
@jackthegreatest
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OpenStudy (mellamokatie):
Traveling is awesome where?
OpenStudy (jackthegreatest):
easy too, just multiply the 6 and 7
OpenStudy (jackthegreatest):
and the franctions add them (in this case subtract)
OpenStudy (jackthegreatest):
whoops not fractions, exponents
OpenStudy (mathmale):
You may find it instructive and helpful to rearrange the 4 terms of your expression. Try simplifying 7^6 * x^(-8) * x^3.
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OpenStudy (jackthegreatest):
|dw:1475451252264:dw|
OpenStudy (sshayer):
\[=7 \times 6 x^{-8+3}\]
OpenStudy (jackthegreatest):
|dw:1475451309358:dw|
OpenStudy (jackthegreatest):
whoops left out the x
OpenStudy (jackthegreatest):
@MellamoKatie so what is your answer?
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OpenStudy (mellamokatie):
So I got 42 for 7x6 and -11 for the exponents
OpenStudy (mellamokatie):
So C?
OpenStudy (jackthegreatest):
-8+3 is...
OpenStudy (mellamokatie):
-11?
OpenStudy (mellamokatie):
OHHH ADDING
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OpenStudy (jackthegreatest):
lol
OpenStudy (mellamokatie):
-5?
OpenStudy (jackthegreatest):
yep x^-5
OpenStudy (jackthegreatest):
how could that be rewritten?
OpenStudy (mellamokatie):
Hmm 42/x^5?
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OpenStudy (jackthegreatest):
yep!!!
OpenStudy (mellamokatie):
YAY!!!!! THANK YOU :DDD I have 3 more
OpenStudy (jackthegreatest):
alright
OpenStudy (jackthegreatest):
|dw:1475451637161:dw|
OpenStudy (mellamokatie):
:DDDD
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OpenStudy (mathmale):
Glad this one went well for you. If you have more, post them separately, please.