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Earn +20 ptsQ: Is 4 with a line over it a rational number?
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Is -144 over 4 a rational number?
Yes. It's the ratio of -144 and 4. That makes it a rational number by definition.
Is .4 over .8 rational or itrational?
.4/.8 is the same as 1/2 which is a rational number
Is 2 over 4 a rational number?
Yes.
Is 4 not a rational number?
4 is a rational number. Any number is rational as long as it can be put into a fraction or ratio. In other words, 4 is a rational number because if you want to express 4 as a fraction, you would just put it over 1; 4 is the numerator, and 1 is the denominator in this case.
What is rational number -4 in the form a over b?
The rational number -4 can be expressed as -4/1 or -8/2 or -12/3, and so on.
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