Mathematics
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OpenStudy (anonymous):
Please someone check this for me:
Simplify.
-(10)^-1 = -10
(-2)^-5 = 1/32
4^8 x 4^3 = 4^11
(-4)^-6 x (-4)^7 = -4 or 1/4
(3^7)^2 = 3^14
4c^-1 x 3c^10 = 12c^9
(-h^4)^5 = -h^20
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OpenStudy (bahrom7893):
-(10)^-1 = -10 is not true
OpenStudy (anonymous):
just that one?
OpenStudy (bahrom7893):
(-2)^-5 = 1/32 is not true either
OpenStudy (anonymous):
and would it be positive 10?
OpenStudy (bahrom7893):
no it would be -1/10
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OpenStudy (bahrom7893):
(-2)^-5=-1/32
OpenStudy (anonymous):
okay, are you sure because this is going to be on my test and i don't wanna fail lol :)
OpenStudy (anonymous):
and thank you!
OpenStudy (bahrom7893):
yes, im sure. wait let me check them all
OpenStudy (anonymous):
okay thanks! =)
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OpenStudy (anonymous):
-4 is not the same as 1/4
OpenStudy (anonymous):
so just -4? :)
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
okay thanks.
OpenStudy (bahrom7893):
luwcey is going to explain why.
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OpenStudy (anonymous):
i have few other problems i don't know how to do, if you have time of course.
OpenStudy (anonymous):
It's really hard to explain & yes justinee I can help you
OpenStudy (anonymous):
(-5a^3b^6)^3(a^4b^2)^7
OpenStudy (anonymous):
(-15a^9b^18)(a^28b^14)
= -15a^37b^22
OpenStudy (anonymous):
i thought -5^3 = -125
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OpenStudy (anonymous):
you're right! my bad sorry!
OpenStudy (anonymous):
oh okay!:) thank you! & can you help me with 2 more problems if you can.
OpenStudy (anonymous):
sure
OpenStudy (anonymous):
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