anonymous
  • anonymous
i need help with a few questions simplifing radicals with nth roots. only 10 mins of your time please
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
question?
anonymous
  • anonymous
ok it is \[\sqrt[3]{-16}a ^{3}b ^{8} \] all underneath the square root sign
anonymous
  • anonymous
I cant read the exponents they are too small. could you just type it out for mne please?

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anonymous
  • anonymous
sure
anonymous
  • anonymous
a to the 3rd power and b to the eighth power and its to the cube root
anonymous
  • anonymous
alrighty
anonymous
  • anonymous
is the -16 the only thing under the cube root ?
anonymous
  • anonymous
yes besides the a to the third power and b to the eighth
anonymous
  • anonymous
so the variables are NOT under the root?
anonymous
  • anonymous
they are
anonymous
  • anonymous
okey dokey
anonymous
  • anonymous
sorry my computer froze
anonymous
  • anonymous
So we could take the cube root of -16, but thats an ugly number, and we cant take the square root of a negative number so it has to remain under there. The cube root of a cubed is a. for example cube 2 to get 8, the cube root of 8 is 2. so we take a out from under the radical and we have a * cuberoot(-16b^8)
anonymous
  • anonymous
good so far?
anonymous
  • anonymous
can u type the answer please using equation symbols
anonymous
  • anonymous
\[a * \sqrt[3]{-16b^8}\]
anonymous
  • anonymous
can u snwser some more? how many are u willing to do
anonymous
  • anonymous
we arent done with the problem yet!
anonymous
  • anonymous
oh
anonymous
  • anonymous
Hmm. maybe we are... Hold on just a sec and let me see if that is simplified. I think it is but I dont want to give you false info, I will re ask the question on here and maybe someone smarter than me will respond.
anonymous
  • anonymous
I was really far off. I'm sorry for even trying to attempt that question without having practiced it in over a year. I hope I didnt confuse you. sorry

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