Question

Which statement is NOT true?

A Every integer is a real number.
B Every counting number is an integer.
C Every integer is a rational number.
D Every decimal number is an irrational number.

Answer 1

And integer is a whole number, negative or positive, with no decimals or fractions.
A is true.
B is true.
A rational number is a number that doesn't have an infinite number of decimal.
C is true.
D is false.
The answer is D