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Earn +20 ptsQ: Is four fifths a rational number?
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Is two-fifths a rational number?
Yes.
Is four a rational number?
Yes, four is a rational number.
Is the square root of five twenty fifths a rational number?
No.
What rational number is halfway between a half and four fifths?
1 / 2 = 0.5 and 4 / 5 = 0.8Halfway between 0.5 and 0.8 is 0.65 or 13/20
Is four an irrational number?
No it is rational ( all integers are rational)
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