Is −3.96213 real number, rational number, whole number, Integer, Irrational number?
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-3.96213 is an irrational number. Irrational numbers are numbers that can be written as a decimal, but not as a fraction. Rational numbers are the opposite. That number is written as a decimal, but there are definitely no fractions you can put that into... Whole numbers cannot include decimals, and integers are written as negatives (I think?) I don't know what you meant by real numbers, but yeah, that number is irrational.
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