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Earn +20 ptsQ: Is 21 a rational number
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Why is 0.21 a rational number?
0.21 is a rational number because it can be expressed as a fraction in the form of 21/100
Is the square root of 441 a rational number?
Yes because 21 is a rational number
Is 4.2 an irrational or rational number?
It is rational because it can be expressed as a fraction which is 21/5
What is the rational number for 0.21?
The number, in the form of a ratio, is 21/100.
What is the rational number for -0.21?
The number, in the form of a ratio, is -21/100.
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