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Which of the following is an irrational number? a) 0.78 (there should be a bar above 78) b) (√12)^2 c) √18 d) √169
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Which of the following is an irrational number?

a) 0.78 (there should be a bar above 78)
b) (√12)^2
c) √18
d) √169

User ExiRouS
by
8.1k points

1 Answer

3 votes
C. √(18)
This is because it is a repeating decimal number without a pattern in the repetition.
User Ilbets
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