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Q: Some irrational numbers

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Integers are whole numbers, therefore they are not irrational

Some irrational numbers can be multiplied by another irrational number to yield a rational number - for example the square root of 2 is irrational but if you multiply it by itself, you get 2 - which is rational. Irrational roots of numbers can yield rational numbers if they are raised to the appropriate power

Some would say that there is no intersection. However, if the set of irrational numbers is considered as a group then closure requires rationals to be a proper subset of the irrationals.

No.By definition, a real number has some form of a decimal expansion.This includes both rational numbers, which have a decimal expansion that either terminates or repeats, and irrational numbers, numbers that never terminate or repeat in their decimal expansion.

Every irrational number, when multiplied by 0.4 will produce an irrational number.

Related questions

No. Some negative numbers are irrational and some are not. Some irrational numbers are negative and some are not.

Integers are whole numbers, therefore they are not irrational

No. Irrational numbers by definition fall into the category of Real Numbers.

There are numbers which cannot be expressed as ratios of two integers. These are called irrational numbers.

Integers can't be irrational.

no. irrational numbers are square roots of numbers that aren't square, pi, and some other numbers. irrational means it never ends.

Numbers cannot be rational and irrational at the same time.

No. Irrational numbers cannot be integers.

No. The intersection of the two sets is null. Irrational numbers are defined as real numbers that are NOT rational.

Pi and the square root of two are irrational numbers.

The cubes of all rational numbers will be rational. But the cubes of irrational numbers can be either.

No, they are disjoint sets.

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