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What is the rule in adding rational numbers?
what is the rule in adding rational numbers
What is the rule for adding integers and rational numbers with the same sign?
The value of the answer is the sum of the absolute values of the numbers and the sign of the answer is the same as that of the two numbers.
Are rational numbers whole numbers?
The set of rational numbers includes all whole numbers, so SOME rational numbers will also be whole number. But not all rational numbers are whole numbers. So, as a rule, no, rational numbers are not whole numbers.
Why is it that when you multiply two irrational numbers you get a rational number?
As a general rule you don't; you do if you choose them carefully.
What is the rule for adding two numbers whose sign are alike?
The sign doesn't change.
Is 15.2 a rationtal number or irrational number?
RATIONAL. Any DEcimal Number that can be made into a fraction/ratio is RATIONAL. So 0.3333..... is Rational as its fraction is '1/3' BUT pi = 3.141592.... is IRRATIONAL because in casual terms the decimal digits are NOT in any regular order. As a rough rule, All numbers are rational except. ;- pi , 'e' and the square roots of prime numbers. NB There are other Irrational numbers too!!!!!
How can you tell that a number is rational?
If you can write the number as a fraction, with integers in the numerator and the denominator, it is rational. In the case of decimal numbers, if the decimal representation terminates (e.g. 2.16), or is periodic (perhaps after some initial digits, like 4.130202020202...), then it is rational. For numbers defined according to some rule, it is not always known whether they are rational or irrational. ILuv You!