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How do you define irrational numbers and rational numbers?
Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Why are surds useful in math?
They define irrational numbers
What is an irrational numbers?
Irrational Numbers are numbers that cannot be expressed as fractions with whole numbers. They are generally roots (such as the square root of two) or constants (such as pi and e). They are interesting because they cannot be exactly expressed as decimal numbers because they never terminate or repeat themselves.an irrational number is a number that goes on and on for a long time like pi
Can irrational numbers be decimals?
An irrational number by definition can not be exactly represented by a decimal that terminates or recurs. The moment a decimal terminates, or settles into a repeating pattern, it is rational.
Are rational numbers is an irrational numbers?
yes * * * * * No. Rational and irrational numbers are two DISJOINT subsets of the real numbers. That is, no rational number is irrational and no irrational is rational.
