nadianadia17
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  • 12-10-2018
  • Mathematics
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Check all that apply

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jimthompson5910 jimthompson5910
  • 12-10-2018

Answer: Choice A and choice C

The fractional exponent of 1/2 means that the root index is 2, which is a square root. So (13+8)^(1/2) becomes sqrt(13+8) = sqrt(21)

"sqrt" is a common abbreviation of "square root"


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