Identifying Irrational Numbers

Questions (2)

Which is irrational?0.117117117 . . . 0.8596873205 . . . 0.812812812812 . . . 0.605605605 . . . 6. If there is 1/2 of a pizza
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2. asked by Delilah
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Which of these sets of numbers contains no rational number?√(21) 0.75, 0 -6, -√(225) 4 7/8 -3.5041...,√(99) 0.143635...
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2. asked anonymously
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