Question

Is the number 0.8 irrational

Answer 1

Yes it is.

Explanation:

A rational number is a number that can be expressed as a fraction of two whole numbers, like 3/1 (3), 8/10 (0.8), or even something crazy like 23784/924433 (0.0257...). An irrational number is any number which can't be written as a fraction this way.

Found this on Intro to rational & irrational numbers | Algebra (video) | Khan Academy

Hope this helps!

Answer 2

No it's not irrational number. It's rational number

Explanation:

0.8 is rational number. You can write 0.8 as 8/10 fraction.

An Irrational Number is a real number that cannot be written as a simple fraction