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What is the rule in adding rational numbers?
what is the rule in adding rational numbers
What is the rule of adding integers with unlike signs?
The magnitude of the answer is the difference between the two numbers and it has the sign of the integer which has the bigger magnitude. I guess so?
What is the rule for adding integers that have the same sign?
The sum is positive.
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!