Any number that you can completely write down using digits is a rational number.
Through hard work and perseverance, you succeeded in completely writing down "84",
so it's a rational number.
It's the ratio of 84 to 1 .
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No. The square root of 84 is an irrational number
No because 84/12 = 7
√84 is irrational.
The square roots of 84 are irrational.
No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number