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30 August, 10:47

Rational or irrational?

√2 ... 2.5 ... 0.4 ... - 4/5 ... √16

+2
Answers (1)
  1. 30 August, 11:00
    0
    2 = 1.41421 = irrational

    2.5=rational

    .4=rational

    -4/5 = -.8 = rational

    16 = 4 = rational.
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