Question

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 :)

Answers

oobleck
#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.
Reiny
(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
Anonymous
All rational numbers are real numbers.

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