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Mathematics 22 Online
OpenStudy (anonymous):

Identify the number that does not belong with the other three. Explain your reasoning. negative 10 over 2, negative 13.4, square root 18, 22.7 repeating 7

OpenStudy (vlery):

|dw:1408114201424:dw| that doesn't belong because it's a repeating number

OpenStudy (larseighner):

All the numbers, including 22.7777777777..., are rational except one. Which one is irrational?

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