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It would depend on where you put the parentheses.

7/9 - 9 is a rational number

7/(9-9) is not even a number at all - surely not a rational number.

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Q: Is 7divided by 9-9 a rational number?
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Is 99 a rational number?

A rational number is any number that can be written as a fraction, so yes, 99 is indeed a rational number.


Is the number 99 rational or irrational?

99 is an irrational number! rational number is the one which can be wrriten in terms of ratios of two numbers! * * * How about 99 = 198/2 = 293/3 = 396/4? Every whole number is a rational number, of course, including 99.


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99 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


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Yes, -0.99 is a rational number because it can be written as a fraction, -99/100. A rational number is any number that can be expressed as a fraction with an integer numerator and a non-zero integer denominator.


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0.4848 repeating is a rational number. It can also be written as 16/33


Is the square root of 99 a rational number?

√99 = Square root of 99 = Irrational. Rational # are able to be expressed as the ratio of 2 integers. i.e. √25 = +5 5 = 5/1 = rational Irrational # can not be expressed as a ratio of 2 integers.


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Is this a rational number 0.323232?

A rational number is a number that can be expressed as the division a/b where a and b are both integers. In this case 0.323232.... is a recurring decimal, and so is rational, as all recurring decimals are rational. This can be proved in the following way: 0.323232... x 100 = 32.323232... 0.323232... x 100 - 0.323232... = 32 0.323232... x 99 = 32 0.323232... = 32/99 Therefore 0.323232... is a rational number.