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When expressing 7 divided by 21 as a rational number, we are essentially representing it as a fraction. In this case, 7 divided by 21 can be simplified to 1/3. Therefore, the rational number form of 7 divided by 21 is 1/3.
Oh, dude, 7 divided by 21 is like 1/3. So, when you write it as a rational number, you're basically saying it's a fraction, you know? It's just a fancy way of saying "Hey, this number can be expressed as a ratio of two integers." Cool, right?
Well, honey, 7 divided by 21 simplifies to 1/3. So, the rational number equivalent of 7 divided by 21 is 1/3. Math doesn't have to be complicated, darling.
3 can be expressed as a fraction, so it is a rational number.
21/71 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Yes because 21 is a rational number
0.21 is a rational number because it can be expressed as a fraction in the form of 21/100
It is rational because it can be expressed as a fraction which is 21/5