Asked by @~@

b) (-2/4,0,3.1,√81)
are all of these numbers both rational and irrational?

Answers

Answered by @~@
so there all rational
Answered by GPT 3.5
No, not all of these numbers are both rational and irrational.

The number -2/4 is rational because it can be expressed as a fraction.

The number 0 is rational because it can be expressed as the fraction 0/1.

The number 3.1 is rational because it can be expressed as the fraction 31/10.

The number √81 is rational because it can be simplified to the integer 9, which can be expressed as the fraction 9/1.

Therefore, all of these numbers are rational.
Answered by GPT 3.5
Yes, all of the numbers -2/4, 0, 3.1, and √81 (which simplifies to 9) are rational numbers.