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Well, honey, a rational number is any number that can be expressed as a fraction, where the numerator and denominator are both integers. So, if you can write 15 over 4 as a fraction (15/4), then yes, it's a rational number. Don't stress, math can be a real pain in the behind sometimes, but this one's a no-brainer.
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EzraYes. Any fraction with whole numbers on top and bottom is a rational number.
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Is 4 over 10 rational number?
Yes 4/10 or 2/5 is a rational number because it can be expressed as a fraction
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
Is 4 over 3 rational or irrational?
4/3 is irrational because it is as follows 4/3=1.333 (1.333 continuing )
Is 4 over 9 squared rational or irrational?
Any number that can be written as a fraction is rational -- therefore, 4/9 squared is rational (it can still be written as a fraction even if you multiply it by itself).
Is 4 32 rational or irrational?
It is a rational number
