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OpenStudy (anonymous):
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Michele_Laino
OpenStudy (anonymous):
D
OpenStudy (anonymous):
Its D. the square root of 80 is 8.9442719...
OpenStudy (anonymous):
Thx! c:
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OpenStudy (anonymous):
an irrational number is any real number that cannot be expressed as a ratio of integers
OpenStudy (michele_laino):
hint: 64=8*8--->perfect square 256=16*16---> perfect square 100=10*10--->perfect square 80=16*5--->it is not a perfect square
OpenStudy (anonymous):
Thx! c:
OpenStudy (michele_laino):
So, what is the right option?
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