Mathematics

True or false
(false) Every integer is a rational number.
(false) Every Rational number is a whole number.
(true) Every natural number is a whole number.
(true) 3 is an element of the rational numbers.


Please check my anwsers and help me :)

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  1. #1 true - rational with denominator = 1
    The rest are ok
    Funny that you got the last one right, but missed the first one, since 3 is an integer.

    1. 👍 3
    2. 👎 1
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    oobleck
  2. (false) Every integer is a rational number. ---- nope, I can put every integer over 1 to make it
    look like a natural number. e.g. -6 = -6/1 or -12/2

    (false) Every Rational number is a whole number. I agree

    (true) Every natural number is a whole number. whole numbers are 0,1,2,... natural numbers
    exclude the 0, so it is false

    (true) 3 is an element of the rational numbers. I agree, we can write 3 as 6/2

    1. 👍 1
    2. 👎 1
    👨‍🏫
    Reiny

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